101921111104186 has 24 divisors (see below), whose sum is σ = 168045457802292. Its totient is φ = 46327233849600.

The previous prime is 101921111104091. The next prime is 101921111104229. The reversal of 101921111104186 is 681401111129101.

It can be written as a sum of positive squares in 2 ways, for example, as 90548831961225 + 11372279142961 = 9515715^2 + 3372281^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18550666 + ... + 23408746.

Almost surely, 2^{101921111104186} is an apocalyptic number.

101921111104186 is a deficient number, since it is larger than the sum of its proper divisors (66124346698106).

101921111104186 is a wasteful number, since it uses less digits than its factorization.

101921111104186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4944798 (or 4944787 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 37.

The spelling of 101921111104186 in words is "one hundred one trillion, nine hundred twenty-one billion, one hundred eleven million, one hundred four thousand, one hundred eighty-six".