102100121221010 has 16 divisors (see below), whose sum is σ = 200487510761472. Its totient is φ = 37127316807600.

The previous prime is 102100121220997. The next prime is 102100121221027. The reversal of 102100121221010 is 10122121001201.

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, 464091459986 + ... + 464091460205.

It is an arithmetic number, because the mean of its divisors is an integer number (12530469422592).

Almost surely, 2^{102100121221010} is an apocalyptic number.

102100121221010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102100121221010 is a deficient number, since it is larger than the sum of its proper divisors (98387389540462).

102100121221010 is a wasteful number, since it uses less digits than its factorization.

102100121221010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 928182920209.

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

Adding to 102100121221010 its reverse (10122121001201), we get a palindrome (112222242222211).

The spelling of 102100121221010 in words is "one hundred two trillion, one hundred billion, one hundred twenty-one million, two hundred twenty-one thousand, ten".