122111121202 has 24 divisors (see below), whose sum is σ = 215181081900. Its totient is φ = 51815181600.

The previous prime is 122111121191. The next prime is 122111121203. The reversal of 122111121202 is 202121111221.

It can be written as a sum of positive squares in 2 ways, for example, as 121146459721 + 964661481 = 348061^2 + 31059^2 .

It is a super-2 number, since 2×122111121202² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122111121203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6158577 + ... + 6178372.

Almost surely, 2^122111121202 is an apocalyptic number.

122111121202 is a deficient number, since it is larger than the sum of its proper divisors (93069960698).

122111121202 is a wasteful number, since it uses less digits than its factorization.

122111121202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12337066 (or 12337059 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 122111121202 its reverse (202121111221), we get a palindrome (324232232423).

The spelling of 122111121202 in words is "one hundred twenty-two billion, one hundred eleven million, one hundred twenty-one thousand, two hundred two".