221011100983 has 32 divisors (see below), whose sum is σ = 242947539648. Its totient is φ = 200253081600.

The previous prime is 221011100977. The next prime is 221011101001. The reversal of 221011100983 is 389001110122.

It is a cyclic number.

It is not a de Polignac number, because 221011100983 - 2¹³ = 221011092791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221011104983) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10898073 + ... + 10918333.

It is an arithmetic number, because the mean of its divisors is an integer number (7592110614).

Almost surely, 2^221011100983 is an apocalyptic number.

221011100983 is a deficient number, since it is larger than the sum of its proper divisors (21936438665).

221011100983 is a wasteful number, since it uses less digits than its factorization.

221011100983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20563.

The product of its (nonzero) digits is 864, while the sum is 28.

The spelling of 221011100983 in words is "two hundred twenty-one billion, eleven million, one hundred thousand, nine hundred eighty-three".