22222001010021 has 8 divisors (see below), whose sum is σ = 29633034216960. Its totient is φ = 14812817571552.

The previous prime is 22222001010007. The next prime is 22222001010037. The reversal of 22222001010021 is 12001010022222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22222001010021 - 2¹⁹ = 22222000485733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22222001010821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 462414085 + ... + 462462138.

It is an arithmetic number, because the mean of its divisors is an integer number (3704129277120).

Almost surely, 2^{22222001010021} is an apocalyptic number.

It is an amenable number.

22222001010021 is a deficient number, since it is larger than the sum of its proper divisors (7411033206939).

22222001010021 is an equidigital number, since it uses as much as digits as its factorization.

22222001010021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924884235.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22222001010021 its reverse (12001010022222), we get a palindrome (34223011032243).

The spelling of 22222001010021 in words is "twenty-two trillion, two hundred twenty-two billion, one million, ten thousand, twenty-one".