1011112001993 has 8 divisors (see below), whose sum is σ = 1077521764608. Its totient is φ = 946572937024.

The previous prime is 1011112001953. The next prime is 1011112002011. The reversal of 1011112001993 is 3991002111101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1011112001993 - 2³² = 1006817034697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011112001953) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 467673296 + ... + 467675457.

It is an arithmetic number, because the mean of its divisors is an integer number (134690220576).

Almost surely, 2^{1011112001993} is an apocalyptic number.

It is an amenable number.

1011112001993 is a deficient number, since it is larger than the sum of its proper divisors (66409762615).

1011112001993 is an equidigital number, since it uses as much as digits as its factorization.

1011112001993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 935348823.

The product of its (nonzero) digits is 486, while the sum is 29.

The spelling of 1011112001993 in words is "one trillion, eleven billion, one hundred twelve million, one thousand, nine hundred ninety-three".