121010022311 has 4 divisors (see below), whose sum is σ = 121011301824. Its totient is φ = 121008742800.

The previous prime is 121010022307. The next prime is 121010022359. The reversal of 121010022311 is 113220010121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 121010022311 - 2² = 121010022307 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121010022611) 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 3 ways as a sum of consecutive naturals, for example, 485495 + ... + 691176.

It is an arithmetic number, because the mean of its divisors is an integer number (30252825456).

Almost surely, 2^121010022311 is an apocalyptic number.

121010022311 is a deficient number, since it is larger than the sum of its proper divisors (1279513).

121010022311 is a wasteful number, since it uses less digits than its factorization.

121010022311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1279512.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 121010022311 its reverse (113220010121), we get a palindrome (234230032432).

The spelling of 121010022311 in words is "one hundred twenty-one billion, ten million, twenty-two thousand, three hundred eleven".