100100000021122 has 4 divisors (see below), whose sum is σ = 150150000031686. Its totient is φ = 50050000010560.

The previous prime is 100100000021107. The next prime is 100100000021141. The reversal of 100100000021122 is 221120000001001.

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., 78875375954761 + 21224624066361 = 8881181^2 + 4607019^2 .

It is a super-2 number, since 2×100100000021122² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100100000021099 and 100100000021108.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25025000005279 + ... + 25025000005282.

Almost surely, 2^{100100000021122} is an apocalyptic number.

100100000021122 is a deficient number, since it is larger than the sum of its proper divisors (50050000010564).

100100000021122 is an equidigital number, since it uses as much as digits as its factorization.

100100000021122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50050000010563.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 100100000021122 its reverse (221120000001001), we get a palindrome (321220000022123).

The spelling of 100100000021122 in words is "one hundred trillion, one hundred billion, twenty-one thousand, one hundred twenty-two".