21333341162125 has 32 divisors (see below), whose sum is σ = 26951791426560. Its totient is φ = 16857363160000.

The previous prime is 21333341162123. The next prime is 21333341162137. The reversal of 21333341162125 is 52126114333312.

It is a happy number.

It is not a de Polignac number, because 21333341162125 - 2¹ = 21333341162123 is a prime.

It is a super-2 number, since 2×21333341162125² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21333341162123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3273444 + ... + 7306306.

It is an arithmetic number, because the mean of its divisors is an integer number (842243482080).

Almost surely, 2^{21333341162125} is an apocalyptic number.

21333341162125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

21333341162125 is a deficient number, since it is larger than the sum of its proper divisors (5618450264435).

21333341162125 is a wasteful number, since it uses less digits than its factorization.

21333341162125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4033398 (or 4033388 counting only the distinct ones).

The product of its digits is 77760, while the sum is 37.

Adding to 21333341162125 its reverse (52126114333312), we get a palindrome (73459455495437).

The spelling of 21333341162125 in words is "twenty-one trillion, three hundred thirty-three billion, three hundred forty-one million, one hundred sixty-two thousand, one hundred twenty-five".