102111202030 has 16 divisors (see below), whose sum is σ = 183975397200. Its totient is φ = 40805540032.

The previous prime is 102111202027. The next prime is 102111202073. The reversal of 102111202030 is 30202111201.

It is a super-2 number, since 2×102111202030² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 102111202030.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4856584 + ... + 4877563.

It is an arithmetic number, because the mean of its divisors is an integer number (11498462325).

Almost surely, 2^102111202030 is an apocalyptic number.

102111202030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102111202030 is a deficient number, since it is larger than the sum of its proper divisors (81864195170).

102111202030 is a wasteful number, since it uses less digits than its factorization.

102111202030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9735203.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 102111202030 its reverse (30202111201), we get a palindrome (132313313231).

The spelling of 102111202030 in words is "one hundred two billion, one hundred eleven million, two hundred two thousand, thirty".