1001120121102 has 16 divisors (see below), whose sum is σ = 2004752472912. Its totient is φ = 333288001920.

The previous prime is 1001120121097. The next prime is 1001120121119. The reversal of 1001120121102 is 2011210211001.

It is a congruent number.

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, 104671099 + ... + 104680662.

It is an arithmetic number, because the mean of its divisors is an integer number (125297029557).

Almost surely, 2^{1001120121102} is an apocalyptic number.

1001120121102 is an abundant number, since it is smaller than the sum of its proper divisors (1003632351810).

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

1001120121102 is a wasteful number, since it uses less digits than its factorization.

1001120121102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209352563.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1001120121102 its reverse (2011210211001), we get a palindrome (3012330332103).

The spelling of 1001120121102 in words is "one trillion, one billion, one hundred twenty million, one hundred twenty-one thousand, one hundred two".