122122211101012 has 12 divisors (see below), whose sum is σ = 213730829587156. Its totient is φ = 61056259790400.

The previous prime is 122122211100997. The next prime is 122122211101063. The reversal of 122122211101012 is 210101112221221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 93717617577796 + 28404593523216 = 9680786^2 + 5329596^2 .

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, 1211383323 + ... + 1211484130.

Almost surely, 2^{122122211101012} is an apocalyptic number.

It is an amenable number.

122122211101012 is a deficient number, since it is larger than the sum of its proper divisors (91608618486144).

122122211101012 is a wasteful number, since it uses less digits than its factorization.

122122211101012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2422880058 (or 2422880056 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 122122211101012 its reverse (210101112221221), we get a palindrome (332223323322233).

The spelling of 122122211101012 in words is "one hundred twenty-two trillion, one hundred twenty-two billion, two hundred eleven million, one hundred one thousand, twelve".