121101122022111 has 144 divisors (see below), whose sum is σ = 226512500917248. Its totient is φ = 62151700897440.

The previous prime is 121101122022109. The next prime is 121101122022113. The reversal of 121101122022111 is 111220221101121.

It is a happy number.

121101122022111 is a `hidden beast` number, since 1 + 211 + 0 + 1 + 1 + 220 + 221 + 11 = 666.

121101122022111 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (121101122022109) and next prime (121101122022113).

It is not a de Polignac number, because 121101122022111 - 2¹ = 121101122022109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121101122022113) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 47475730 + ... + 49961456.

It is an arithmetic number, because the mean of its divisors is an integer number (1573003478592).

Almost surely, 2^{121101122022111} is an apocalyptic number.

121101122022111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

121101122022111 is a deficient number, since it is larger than the sum of its proper divisors (105411378895137).

121101122022111 is a wasteful number, since it uses less digits than its factorization.

121101122022111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2485863 (or 2485831 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 121101122022111 its reverse (111220221101121), we get a palindrome (232321343123232).

The spelling of 121101122022111 in words is "one hundred twenty-one trillion, one hundred one billion, one hundred twenty-two million, twenty-two thousand, one hundred eleven".