102100111121010 has 64 divisors (see below), whose sum is σ = 252619870770432. Its totient is φ = 26390113940736.

The previous prime is 102100111120993. The next prime is 102100111121011. The reversal of 102100111121010 is 10121111001201.

102100111121010 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (102100111121011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 174578949 + ... + 175162808.

It is an arithmetic number, because the mean of its divisors is an integer number (3947185480788).

Almost surely, 2^{102100111121010} is an apocalyptic number.

102100111121010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102100111121010 is an abundant number, since it is smaller than the sum of its proper divisors (150519759649422).

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

102100111121010 is a wasteful number, since it uses less digits than its factorization.

102100111121010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349742067.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 102100111121010 its reverse (10121111001201), we get a palindrome (112221222122211).

The spelling of 102100111121010 in words is "one hundred two trillion, one hundred billion, one hundred eleven million, one hundred twenty-one thousand, ten".