100111110021122 has 4 divisors (see below), whose sum is σ = 150166665031686. Its totient is φ = 50055555010560.

The previous prime is 100111110021049. The next prime is 100111110021157. The reversal of 100111110021122 is 221120011111001.

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., 73482424251721 + 26628685769401 = 8572189^2 + 5160299^2 .

It is a super-2 number, since 2×100111110021122² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100111110021097 and 100111110021106.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25027777505279 + ... + 25027777505282.

Almost surely, 2^{100111110021122} is an apocalyptic number.

100111110021122 is a deficient number, since it is larger than the sum of its proper divisors (50055555010564).

100111110021122 is an equidigital number, since it uses as much as digits as its factorization.

100111110021122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50055555010563.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 100111110021122 its reverse (221120011111001), we get a palindrome (321231121132123).

The spelling of 100111110021122 in words is "one hundred trillion, one hundred eleven billion, one hundred ten million, twenty-one thousand, one hundred twenty-two".