21101081061292 has 12 divisors (see below), whose sum is σ = 36927600271576. Its totient is φ = 10550338126560.

The previous prime is 21101081061233. The next prime is 21101081061301. The reversal of 21101081061292 is 29216018010112.

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, 50366334 + ... + 50783557.

Almost surely, 2^{21101081061292} is an apocalyptic number.

It is an amenable number.

21101081061292 is a deficient number, since it is larger than the sum of its proper divisors (15826519210284).

21101081061292 is a wasteful number, since it uses less digits than its factorization.

21101081061292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101202048 (or 101202046 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 34.

The spelling of 21101081061292 in words is "twenty-one trillion, one hundred one billion, eighty-one million, sixty-one thousand, two hundred ninety-two".