100002000022121 has 32 divisors (see below), whose sum is σ = 110858528966400. Its totient is φ = 89832629698560.

The previous prime is 100002000022117. The next prime is 100002000022139. The reversal of 100002000022121 is 121220000200001.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 100002000022121 - 2² = 100002000022117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100002000052121) 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, 5080901 + ... + 15027293.

It is an arithmetic number, because the mean of its divisors is an integer number (3464329030200).

Almost surely, 2^{100002000022121} is an apocalyptic number.

It is an amenable number.

100002000022121 is a deficient number, since it is larger than the sum of its proper divisors (10856528944279).

100002000022121 is a wasteful number, since it uses less digits than its factorization.

100002000022121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9946769.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 100002000022121 its reverse (121220000200001), we get a palindrome (221222000222122).

The spelling of 100002000022121 in words is "one hundred trillion, two billion, twenty-two thousand, one hundred twenty-one".