102120131010 has 32 divisors (see below), whose sum is σ = 259505275392. Its totient is φ = 25630150400.

The previous prime is 102120130999. The next prime is 102120131011. The reversal of 102120131010 is 10131021201.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (102120131011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100117266 + ... + 100118285.

It is an arithmetic number, because the mean of its divisors is an integer number (8109539856).

Almost surely, 2^102120131010 is an apocalyptic number.

102120131010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102120131010 is an abundant number, since it is smaller than the sum of its proper divisors (157385144382).

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

102120131010 is a wasteful number, since it uses less digits than its factorization.

102120131010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200235578.

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

Adding to 102120131010 its reverse (10131021201), we get a palindrome (112251152211).

The spelling of 102120131010 in words is "one hundred two billion, one hundred twenty million, one hundred thirty-one thousand, ten".