121022122011 has 64 divisors (see below), whose sum is σ = 195788897280. Its totient is φ = 64955105280.

The previous prime is 121022121977. The next prime is 121022122061. The reversal of 121022122011 is 110221220121.

It is not a de Polignac number, because 121022122011 - 2⁹ = 121022121499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121022122061) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 24100681 + ... + 24105701.

It is an arithmetic number, because the mean of its divisors is an integer number (3059201520).

Almost surely, 2^121022122011 is an apocalyptic number.

121022122011 is a deficient number, since it is larger than the sum of its proper divisors (74766775269).

121022122011 is a wasteful number, since it uses less digits than its factorization.

121022122011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5556.

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

Adding to 121022122011 its reverse (110221220121), we get a palindrome (231243342132).

It can be divided in two parts, 1 and 21022122011, that added together give a palindrome (21022122012).

The spelling of 121022122011 in words is "one hundred twenty-one billion, twenty-two million, one hundred twenty-two thousand, eleven".