202112121022 has 8 divisors (see below), whose sum is σ = 346477921776. Its totient is φ = 86619480432.

The previous prime is 202112121017. The next prime is 202112121031. The reversal of 202112121022 is 220121211202.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 202112120987 and 202112121005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7218290023 + ... + 7218290050.

It is an arithmetic number, because the mean of its divisors is an integer number (43309740222).

Almost surely, 2^202112121022 is an apocalyptic number.

202112121022 is a deficient number, since it is larger than the sum of its proper divisors (144365800754).

202112121022 is a wasteful number, since it uses less digits than its factorization.

202112121022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14436580082.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 202112121022 its reverse (220121211202), we get a palindrome (422233332224).

The spelling of 202112121022 in words is "two hundred two billion, one hundred twelve million, one hundred twenty-one thousand, twenty-two".