1000111023100 has 72 divisors (see below), whose sum is σ = 2481320296448. Its totient is φ = 342750744000.

The previous prime is 1000111023091. The next prime is 1000111023101. The reversal of 1000111023100 is 13201110001.

It is a super-2 number, since 2×1000111023100² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000111023101) 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, 1368325 + ... + 1967875.

Almost surely, 2^{1000111023100} is an apocalyptic number.

1000111023100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000111023100 is an abundant number, since it is smaller than the sum of its proper divisors (1481209273348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1000111023100 is a wasteful number, since it uses less digits than its factorization.

1000111023100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601955 (or 601948 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 10.

Adding to 1000111023100 its reverse (13201110001), we get a palindrome (1013312133101).

The spelling of 1000111023100 in words is "one trillion, one hundred eleven million, twenty-three thousand, one hundred".