121022122111 has 8 divisors (see below), whose sum is σ = 132973948800. Its totient is φ = 109228598040.

The previous prime is 121022122061. The next prime is 121022122189. The reversal of 121022122111 is 111221220121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121022122111 - 2¹⁵ = 121022089343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121022162111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39574051 + ... + 39577108.

It is an arithmetic number, because the mean of its divisors is an integer number (16621743600).

Almost surely, 2^121022122111 is an apocalyptic number.

121022122111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

121022122111 is a deficient number, since it is larger than the sum of its proper divisors (11951826689).

121022122111 is a wasteful number, since it uses less digits than its factorization.

121022122111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79151309.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 121022122111 its reverse (111221220121), we get a palindrome (232243342232).

The spelling of 121022122111 in words is "one hundred twenty-one billion, twenty-two million, one hundred twenty-two thousand, one hundred eleven".