101011220112122 has 4 divisors (see below), whose sum is σ = 151516830168186. Its totient is φ = 50505610056060.

The previous prime is 101011220112079. The next prime is 101011220112169. The reversal of 101011220112122 is 221211022110101.

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., 68374690672201 + 32636529439921 = 8268899^2 + 5712839^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 101011220112122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25252805028029 + ... + 25252805028032.

Almost surely, 2^{101011220112122} is an apocalyptic number.

101011220112122 is a deficient number, since it is larger than the sum of its proper divisors (50505610056064).

101011220112122 is an equidigital number, since it uses as much as digits as its factorization.

101011220112122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50505610056063.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 101011220112122 its reverse (221211022110101), we get a palindrome (322222242222223).

The spelling of 101011220112122 in words is "one hundred one trillion, eleven billion, two hundred twenty million, one hundred twelve thousand, one hundred twenty-two".