121120420022 has 16 divisors (see below), whose sum is σ = 212463727872. Its totient is φ = 50701570920.

The previous prime is 121120420007. The next prime is 121120420051. The reversal of 121120420022 is 220024021121.

It is a super-2 number, since 2×121120420022² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100597754 + ... + 100598957.

It is an arithmetic number, because the mean of its divisors is an integer number (13278982992).

Almost surely, 2^121120420022 is an apocalyptic number.

121120420022 is a deficient number, since it is larger than the sum of its proper divisors (91343307850).

121120420022 is a wasteful number, since it uses less digits than its factorization.

121120420022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201196763.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 121120420022 its reverse (220024021121), we get a palindrome (341144441143).

The spelling of 121120420022 in words is "one hundred twenty-one billion, one hundred twenty million, four hundred twenty thousand, twenty-two".