121121100001122 has 32 divisors (see below), whose sum is σ = 260876653844352. Its totient is φ = 37267968132864.

The previous prime is 121121100001091. The next prime is 121121100001159. The reversal of 121121100001122 is 221100001121121.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70728003 + ... + 72420249.

It is an arithmetic number, because the mean of its divisors is an integer number (8152395432636).

Almost surely, 2^{121121100001122} is an apocalyptic number.

121121100001122 is an abundant number, since it is smaller than the sum of its proper divisors (139755553843230).

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

121121100001122 is a wasteful number, since it uses less digits than its factorization.

121121100001122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2609882.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 121121100001122 its reverse (221100001121121), we get a palindrome (342221101122243).

The spelling of 121121100001122 in words is "one hundred twenty-one trillion, one hundred twenty-one billion, one hundred million, one thousand, one hundred twenty-two".