121211202022122 has 8 divisors (see below), whose sum is σ = 242422404044256. Its totient is φ = 40403734007372.

The previous prime is 121211202022093. The next prime is 121211202022123. The reversal of 121211202022122 is 221220202112121.

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

121211202022122 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (121211202022123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10100933501838 + ... + 10100933501849.

It is an arithmetic number, because the mean of its divisors is an integer number (30302800505532).

Almost surely, 2^{121211202022122} is an apocalyptic number.

121211202022122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121211202022122 is a wasteful number, since it uses less digits than its factorization.

121211202022122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20201867003692.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 121211202022122 its reverse (221220202112121), we get a palindrome (342431404134243).

The spelling of 121211202022122 in words is "one hundred twenty-one trillion, two hundred eleven billion, two hundred two million, twenty-two thousand, one hundred twenty-two".