21010110092 has 48 divisors (see below), whose sum is σ = 39143136480. Its totient is φ = 9839232000.

The previous prime is 21010110067. The next prime is 21010110101. The reversal of 21010110092 is 29001101012.

It is a self number, because there is not a number n which added to its sum of digits gives 21010110092.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6730292 + ... + 6733412.

It is an arithmetic number, because the mean of its divisors is an integer number (815482010).

Almost surely, 2^21010110092 is an apocalyptic number.

It is an amenable number.

21010110092 is a deficient number, since it is larger than the sum of its proper divisors (18133026388).

21010110092 is a wasteful number, since it uses less digits than its factorization.

21010110092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4122 (or 4120 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 17.

The spelling of 21010110092 in words is "twenty-one billion, ten million, one hundred ten thousand, ninety-two".