122100122112202 has 12 divisors (see below), whose sum is σ = 198322387691670. Its totient is φ = 56353902513168.

The previous prime is 122100122112181. The next prime is 122100122112203. The reversal of 122100122112202 is 202211221001221.

It can be written as a sum of positive squares in 3 ways, for example, as 93464984017441 + 28635138094761 = 9667729^2 + 5351181^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 122100122112202.

It is not an unprimeable number, because it can be changed into a prime (122100122112203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 180621482077 + ... + 180621482752.

Almost surely, 2^{122100122112202} is an apocalyptic number.

122100122112202 is a deficient number, since it is larger than the sum of its proper divisors (76222265579468).

122100122112202 is a wasteful number, since it uses less digits than its factorization.

122100122112202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361242964857 (or 361242964844 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 122100122112202 its reverse (202211221001221), we get a palindrome (324311343113423).

The spelling of 122100122112202 in words is "one hundred twenty-two trillion, one hundred billion, one hundred twenty-two million, one hundred twelve thousand, two hundred two".