102100211021210 has 16 divisors (see below), whose sum is σ = 183812855709600. Its totient is φ = 40832867548176.

The previous prime is 102100211021209. The next prime is 102100211021251. The reversal of 102100211021210 is 12120112001201.

It is a super-2 number, since 2×102100211021210² (a number of 29 digits) contains 22 as substring.

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, 902048120 + ... + 902161299.

It is an arithmetic number, because the mean of its divisors is an integer number (11488303481850).

Almost surely, 2^{102100211021210} is an apocalyptic number.

102100211021210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102100211021210 is a deficient number, since it is larger than the sum of its proper divisors (81712644688390).

102100211021210 is a wasteful number, since it uses less digits than its factorization.

102100211021210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1804215085.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 102100211021210 its reverse (12120112001201), we get a palindrome (114220323022411).

The spelling of 102100211021210 in words is "one hundred two trillion, one hundred billion, two hundred eleven million, twenty-one thousand, two hundred ten".