122100112212202 has 4 divisors (see below), whose sum is σ = 183150168318306. Its totient is φ = 61050056106100.

The previous prime is 122100112212179. The next prime is 122100112212209. The reversal of 122100112212202 is 202212211001221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 84505200114241 + 37594912097961 = 9192671^2 + 6131469^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 122100112212202.

It is not an unprimeable number, because it can be changed into a prime (122100112212209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30525028053049 + ... + 30525028053052.

Almost surely, 2^{122100112212202} is an apocalyptic number.

122100112212202 is a deficient number, since it is larger than the sum of its proper divisors (61050056106104).

122100112212202 is an equidigital number, since it uses as much as digits as its factorization.

122100112212202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61050056106103.

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

Adding to 122100112212202 its reverse (202212211001221), we get a palindrome (324312323213423).

The spelling of 122100112212202 in words is "one hundred twenty-two trillion, one hundred billion, one hundred twelve million, two hundred twelve thousand, two hundred two".