102101110021200 has 120 divisors (see below), whose sum is σ = 327066137998848. Its totient is φ = 27226775459840.

The previous prime is 102101110021177. The next prime is 102101110021231. The reversal of 102101110021200 is 2120011101201.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×102101110021200² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 324475144 + ... + 324789656.

Almost surely, 2^{102101110021200} is an apocalyptic number.

102101110021200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102101110021200 is an abundant number, since it is smaller than the sum of its proper divisors (224965027977648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102101110021200 is a wasteful number, since it uses less digits than its factorization.

102101110021200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585061 (or 585050 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 102101110021200 its reverse (2120011101201), we get a palindrome (104221121122401).

The spelling of 102101110021200 in words is "one hundred two trillion, one hundred one billion, one hundred ten million, twenty-one thousand, two hundred".