221010102001992 has 32 divisors (see below), whose sum is σ = 552611224778400. Its totient is φ = 73658571364224.

The previous prime is 221010102001963. The next prime is 221010102002029. The reversal of 221010102001992 is 299100201010122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 716257317 + ... + 716565812.

It is an arithmetic number, because the mean of its divisors is an integer number (17269100774325).

Almost surely, 2^{221010102001992} is an apocalyptic number.

It is an amenable number.

221010102001992 is an abundant number, since it is smaller than the sum of its proper divisors (331601122776408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221010102001992 is a wasteful number, since it uses less digits than its factorization.

221010102001992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1432829565 (or 1432829561 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 30.

The spelling of 221010102001992 in words is "two hundred twenty-one trillion, ten billion, one hundred two million, one thousand, nine hundred ninety-two".