102001121331112 has 32 divisors (see below), whose sum is σ = 193600131389280. Its totient is φ = 50374697638720.

The previous prime is 102001121331107. The next prime is 102001121331247. The reversal of 102001121331112 is 211133121100201.

It is a self number, because there is not a number n which added to its sum of digits gives 102001121331112.

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, 14437918 + ... + 20309005.

It is an arithmetic number, because the mean of its divisors is an integer number (6050004105915).

Almost surely, 2^{102001121331112} is an apocalyptic number.

It is an amenable number.

102001121331112 is a deficient number, since it is larger than the sum of its proper divisors (91599010058168).

102001121331112 is a wasteful number, since it uses less digits than its factorization.

102001121331112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34751433 (or 34751429 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 102001121331112 its reverse (211133121100201), we get a palindrome (313134242431313).

The spelling of 102001121331112 in words is "one hundred two trillion, one billion, one hundred twenty-one million, three hundred thirty-one thousand, one hundred twelve".