102000021122 has 8 divisors (see below), whose sum is σ = 157935516672. Its totient is φ = 49354848900.

The previous prime is 102000021107. The next prime is 102000021157. The reversal of 102000021122 is 221120000201.

It is a happy number.

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

It is a super-2 number, since 2×102000021122² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 822580754 + ... + 822580877.

It is an arithmetic number, because the mean of its divisors is an integer number (19741939584).

Almost surely, 2^102000021122 is an apocalyptic number.

102000021122 is a deficient number, since it is larger than the sum of its proper divisors (55935495550).

102000021122 is a wasteful number, since it uses less digits than its factorization.

102000021122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1645161664.

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

Adding to 102000021122 its reverse (221120000201), we get a palindrome (323120021323).

The spelling of 102000021122 in words is "one hundred two billion, twenty-one thousand, one hundred twenty-two".