1021101100983 has 24 divisors (see below), whose sum is σ = 1534124207616. Its totient is φ = 653746064400.

The previous prime is 1021101100969. The next prime is 1021101101029. The reversal of 1021101100983 is 3890011011201.

It is not a de Polignac number, because 1021101100983 - 2⁴ = 1021101100967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021101100583) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13932385 + ... + 14005482.

It is an arithmetic number, because the mean of its divisors is an integer number (63921841984).

Almost surely, 2^{1021101100983} is an apocalyptic number.

1021101100983 is a deficient number, since it is larger than the sum of its proper divisors (513023106633).

1021101100983 is a wasteful number, since it uses less digits than its factorization.

1021101100983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27938035 (or 27938032 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 27.

The spelling of 1021101100983 in words is "one trillion, twenty-one billion, one hundred one million, one hundred thousand, nine hundred eighty-three".