100202101121 has 4 divisors (see below), whose sum is σ = 100207422000. Its totient is φ = 100196780244.

The previous prime is 100202101117. The next prime is 100202101147. The reversal of 100202101121 is 121101202001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 121101202001 = 13 ⋅9315477077.

It is a cyclic number.

It is not a de Polignac number, because 100202101121 - 2² = 100202101117 is a prime.

It is a super-2 number, since 2×100202101121² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100202101151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2632091 + ... + 2669888.

It is an arithmetic number, because the mean of its divisors is an integer number (25051855500).

Almost surely, 2^100202101121 is an apocalyptic number.

It is an amenable number.

100202101121 is a deficient number, since it is larger than the sum of its proper divisors (5320879).

100202101121 is an equidigital number, since it uses as much as digits as its factorization.

100202101121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5320878.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 100202101121 its reverse (121101202001), we get a palindrome (221303303122).

The spelling of 100202101121 in words is "one hundred billion, two hundred two million, one hundred one thousand, one hundred twenty-one".