1100012201983 has 16 divisors (see below), whose sum is σ = 1116441035136. Its totient is φ = 1083710716000.

The previous prime is 1100012201947. The next prime is 1100012201993. The reversal of 1100012201983 is 3891022100011.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1100012201983 is a prime.

It is a super-2 number, since 2×1100012201983² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100012201993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17506260 + ... + 17568982.

It is an arithmetic number, because the mean of its divisors is an integer number (69777564696).

Almost surely, 2^{1100012201983} is an apocalyptic number.

1100012201983 is a deficient number, since it is larger than the sum of its proper divisors (16428833153).

1100012201983 is a wasteful number, since it uses less digits than its factorization.

1100012201983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63734.

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

Adding to 1100012201983 its reverse (3891022100011), we get a palindrome (4991034301994).

The spelling of 1100012201983 in words is "one trillion, one hundred billion, twelve million, two hundred one thousand, nine hundred eighty-three".