122202202012121 has 16 divisors (see below), whose sum is σ = 155230633484928. Its totient is φ = 93425844220800.

The previous prime is 122202202012021. The next prime is 122202202012123. The reversal of 122202202012121 is 121210202202221.

It is a de Polignac number, because none of the positive numbers 2^k-122202202012121 is a prime.

It is a super-2 number, since 2×122202202012121² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122202202012093 and 122202202012102.

It is not an unprimeable number, because it can be changed into a prime (122202202012123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14972086340 + ... + 14972094501.

It is an arithmetic number, because the mean of its divisors is an integer number (9701914592808).

Almost surely, 2^{122202202012121} is an apocalyptic number.

122202202012121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

122202202012121 is a deficient number, since it is larger than the sum of its proper divisors (33028431472807).

122202202012121 is a wasteful number, since it uses less digits than its factorization.

122202202012121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29944180912.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 122202202012121 its reverse (121210202202221), we get a palindrome (243412404214342).

The spelling of 122202202012121 in words is "one hundred twenty-two trillion, two hundred two billion, two hundred two million, twelve thousand, one hundred twenty-one".