100002210122121 has 16 divisors (see below), whose sum is σ = 139853579660544. Its totient is φ = 63486164444544.

The previous prime is 100002210122057. The next prime is 100002210122131. The reversal of 100002210122121 is 121221012200001.

It is not a de Polignac number, because 100002210122121 - 2⁶ = 100002210122057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100002210122121.

It is not an unprimeable number, because it can be changed into a prime (100002210122131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9584258740 + ... + 9584269173.

It is an arithmetic number, because the mean of its divisors is an integer number (8740848728784).

Almost surely, 2^{100002210122121} is an apocalyptic number.

It is an amenable number.

100002210122121 is a deficient number, since it is larger than the sum of its proper divisors (39851369538423).

100002210122121 is a wasteful number, since it uses less digits than its factorization.

100002210122121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19168528000.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 100002210122121 its reverse (121221012200001), we get a palindrome (221223222322122).

The spelling of 100002210122121 in words is "one hundred trillion, two billion, two hundred ten million, one hundred twenty-two thousand, one hundred twenty-one".