102012121102 has 12 divisors (see below), whose sum is σ = 162548726760. Its totient is φ = 48005703776.

The previous prime is 102012121093. The next prime is 102012121147. The reversal of 102012121102 is 201121210201.

It is a super-2 number, since 2×102012121102² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 88245202 + ... + 88246357.

It is an arithmetic number, because the mean of its divisors is an integer number (13545727230).

Almost surely, 2^102012121102 is an apocalyptic number.

102012121102 is a deficient number, since it is larger than the sum of its proper divisors (60536605658).

102012121102 is a wasteful number, since it uses less digits than its factorization.

102012121102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176491595 (or 176491578 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 102012121102 its reverse (201121210201), we get a palindrome (303133331303).

The spelling of 102012121102 in words is "one hundred two billion, twelve million, one hundred twenty-one thousand, one hundred two".