100122102021122 has 8 divisors (see below), whose sum is σ = 150183338655756. Its totient is φ = 50060989135872.

The previous prime is 100122102021083. The next prime is 100122102021127. The reversal of 100122102021122 is 221120201221001.

It can be written as a sum of positive squares in 2 ways, for example, as 99889410591961 + 232691429161 = 9994469^2 + 482381^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 100122102021122.

It is not an unprimeable number, because it can be changed into a prime (100122102021127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28887503 + ... + 32167250.

Almost surely, 2^{100122102021122} is an apocalyptic number.

100122102021122 is a deficient number, since it is larger than the sum of its proper divisors (50061236634634).

100122102021122 is an equidigital number, since it uses as much as digits as its factorization.

100122102021122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61874692.

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

Adding to 100122102021122 its reverse (221120201221001), we get a palindrome (321242303242123).

The spelling of 100122102021122 in words is "one hundred trillion, one hundred twenty-two billion, one hundred two million, twenty-one thousand, one hundred twenty-two".