1100220201992 has 8 divisors (see below), whose sum is σ = 2062912878750. Its totient is φ = 550110100992.

The previous prime is 1100220201943. The next prime is 1100220202033. The reversal of 1100220201992 is 2991020220011.

It can be written as a sum of positive squares in only one way, i.e., 621237170596 + 478983031396 = 788186^2 + 692086^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68763762617 + ... + 68763762632.

Almost surely, 2^{1100220201992} is an apocalyptic number.

It is an amenable number.

1100220201992 is a deficient number, since it is larger than the sum of its proper divisors (962692676758).

1100220201992 is a wasteful number, since it uses less digits than its factorization.

1100220201992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137527525255 (or 137527525251 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 29.

The spelling of 1100220201992 in words is "one trillion, one hundred billion, two hundred twenty million, two hundred one thousand, nine hundred ninety-two".