21010743013196 has 12 divisors (see below), whose sum is σ = 36768863029752. Its totient is φ = 10505353576128.

The previous prime is 21010743013187. The next prime is 21010743013231. The reversal of 21010743013196 is 69131034701012.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1646750 + ... + 6688293.

It is an arithmetic number, because the mean of its divisors is an integer number (3064071919146).

Almost surely, 2^{21010743013196} is an apocalyptic number.

It is an amenable number.

21010743013196 is a deficient number, since it is larger than the sum of its proper divisors (15758120016556).

21010743013196 is a wasteful number, since it uses less digits than its factorization.

21010743013196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8965240 (or 8965238 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 38.

The spelling of 21010743013196 in words is "twenty-one trillion, ten billion, seven hundred forty-three million, thirteen thousand, one hundred ninety-six".