102100210121210 has 64 divisors (see below), whose sum is σ = 210175335152640. Its totient is φ = 34982357345280.

The previous prime is 102100210121197. The next prime is 102100210121243. The reversal of 102100210121210 is 12121012001201.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 710887886 + ... + 711031494.

It is an arithmetic number, because the mean of its divisors is an integer number (3283989611760).

Almost surely, 2^{102100210121210} is an apocalyptic number.

102100210121210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102100210121210 is an abundant number, since it is smaller than the sum of its proper divisors (108075125031430).

102100210121210 is a wasteful number, since it uses less digits than its factorization.

102100210121210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150351.

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

Adding to 102100210121210 its reverse (12121012001201), we get a palindrome (114221222122411).

The spelling of 102100210121210 in words is "one hundred two trillion, one hundred billion, two hundred ten million, one hundred twenty-one thousand, two hundred ten".