100012210221122 has 4 divisors (see below), whose sum is σ = 150018315331686. Its totient is φ = 50006105110560.

The previous prime is 100012210221101. The next prime is 100012210221163. The reversal of 100012210221122 is 221122012210001.

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., 50667191011921 + 49345019209201 = 7118089^2 + 7024601^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 100012210221122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25003052555279 + ... + 25003052555282.

Almost surely, 2^{100012210221122} is an apocalyptic number.

100012210221122 is a deficient number, since it is larger than the sum of its proper divisors (50006105110564).

100012210221122 is an equidigital number, since it uses as much as digits as its factorization.

100012210221122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50006105110563.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 100012210221122 its reverse (221122012210001), we get a palindrome (321134222431123).

The spelling of 100012210221122 in words is "one hundred trillion, twelve billion, two hundred ten million, two hundred twenty-one thousand, one hundred twenty-two".