102000022121111 has 8 divisors (see below), whose sum is σ = 102014151783600. Its totient is φ = 101985893441280.

The previous prime is 102000022121083. The next prime is 102000022121141. The reversal of 102000022121111 is 111121220000201.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102000022121111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102000022121141) 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, 220945556 + ... + 221406726.

It is an arithmetic number, because the mean of its divisors is an integer number (12751768972950).

Almost surely, 2^{102000022121111} is an apocalyptic number.

102000022121111 is a deficient number, since it is larger than the sum of its proper divisors (14129662489).

102000022121111 is a wasteful number, since it uses less digits than its factorization.

102000022121111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491329.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 102000022121111 its reverse (111121220000201), we get a palindrome (213121242121312).

The spelling of 102000022121111 in words is "one hundred two trillion, twenty-two million, one hundred twenty-one thousand, one hundred eleven".