102100020122 has 32 divisors (see below), whose sum is σ = 158963212800. Its totient is φ = 49155994368.

The previous prime is 102100020103. The next prime is 102100020137. The reversal of 102100020122 is 221020001201.

It is a happy number.

It is a super-3 number, since 3×102100020122³ (a number of 34 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1361954 + ... + 1434962.

It is an arithmetic number, because the mean of its divisors is an integer number (4967600400).

Almost surely, 2^102100020122 is an apocalyptic number.

102100020122 is a deficient number, since it is larger than the sum of its proper divisors (56863192678).

102100020122 is a wasteful number, since it uses less digits than its factorization.

102100020122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73310.

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

Adding to 102100020122 its reverse (221020001201), we get a palindrome (323120021323).

The spelling of 102100020122 in words is "one hundred two billion, one hundred million, twenty thousand, one hundred twenty-two".