21113222202292 has 48 divisors (see below), whose sum is σ = 40702474036224. Its totient is φ = 9503089596000.

The previous prime is 21113222202271. The next prime is 21113222202323. The reversal of 21113222202292 is 29220222231112.

It is a congruent number.

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, 1286934 + ... + 6624397.

It is an arithmetic number, because the mean of its divisors is an integer number (847968209088).

Almost surely, 2^{21113222202292} is an apocalyptic number.

21113222202292 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21113222202292 is a deficient number, since it is larger than the sum of its proper divisors (19589251833932).

21113222202292 is a wasteful number, since it uses less digits than its factorization.

21113222202292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7911940 (or 7911938 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The spelling of 21113222202292 in words is "twenty-one trillion, one hundred thirteen billion, two hundred twenty-two million, two hundred two thousand, two hundred ninety-two".