121201212222022 has 16 divisors (see below), whose sum is σ = 182011109381712. Its totient is φ = 60530843941920.

The previous prime is 121201212222019. The next prime is 121201212222061. The reversal of 121201212222022 is 220222212102121.

It is a junction number, because it is equal to n+sod(n) for n = 121201212221984 and 121201212222002.

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, 186235872 + ... + 186885532.

It is an arithmetic number, because the mean of its divisors is an integer number (11375694336357).

Almost surely, 2^{121201212222022} is an apocalyptic number.

121201212222022 is a deficient number, since it is larger than the sum of its proper divisors (60809897159690).

121201212222022 is a wasteful number, since it uses less digits than its factorization.

121201212222022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756903.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 121201212222022 its reverse (220222212102121), we get a palindrome (341423424324143).

The spelling of 121201212222022 in words is "one hundred twenty-one trillion, two hundred one billion, two hundred twelve million, two hundred twenty-two thousand, twenty-two".