100101012002122 has 4 divisors (see below), whose sum is σ = 150151518003186. Its totient is φ = 50050506001060.

The previous prime is 100101012002087. The next prime is 100101012002129. The reversal of 100101012002122 is 221200210101001.

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., 90782040817521 + 9318971184601 = 9527961^2 + 3052699^2 .

It is not an unprimeable number, because it can be changed into a prime (100101012002129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25025253000529 + ... + 25025253000532.

Almost surely, 2^{100101012002122} is an apocalyptic number.

100101012002122 is a deficient number, since it is larger than the sum of its proper divisors (50050506001064).

100101012002122 is an equidigital number, since it uses as much as digits as its factorization.

100101012002122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50050506001063.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 100101012002122 its reverse (221200210101001), we get a palindrome (321301222103123).

The spelling of 100101012002122 in words is "one hundred trillion, one hundred one billion, twelve million, two thousand, one hundred twenty-two".