121122022011 has 16 divisors (see below), whose sum is σ = 161886353664. Its totient is φ = 80553050784.

The previous prime is 121122022001. The next prime is 121122022027. The reversal of 121122022011 is 110220221121.

It is not a de Polignac number, because 121122022011 - 2³⁴ = 103942152827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121122022001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2524401 + ... + 2571933.

It is an arithmetic number, because the mean of its divisors is an integer number (10117897104).

Almost surely, 2^121122022011 is an apocalyptic number.

121122022011 is a deficient number, since it is larger than the sum of its proper divisors (40764331653).

121122022011 is a wasteful number, since it uses less digits than its factorization.

121122022011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49570.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 121122022011 its reverse (110220221121), we get a palindrome (231342243132).

The spelling of 121122022011 in words is "one hundred twenty-one billion, one hundred twenty-two million, twenty-two thousand, eleven".