102111122030 has 32 divisors (see below), whose sum is σ = 194634321984. Its totient is φ = 38437382656.

The previous prime is 102111121951. The next prime is 102111122063. The reversal of 102111122030 is 30221111201.

It is a junction number, because it is equal to n+sod(n) for n = 102111121996 and 102111122014.

It is a congruent number.

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, 1687784 + ... + 1747236.

It is an arithmetic number, because the mean of its divisors is an integer number (6082322562).

Almost surely, 2^102111122030 is an apocalyptic number.

102111122030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102111122030 is a deficient number, since it is larger than the sum of its proper divisors (92523199954).

102111122030 is a wasteful number, since it uses less digits than its factorization.

102111122030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69580.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 102111122030 its reverse (30221111201), we get a palindrome (132332233231).

The spelling of 102111122030 in words is "one hundred two billion, one hundred eleven million, one hundred twenty-two thousand, thirty".