111093021000 has 192 divisors, whose sum is σ = 404379022320. Its totient is φ = 27345945600.

The previous prime is 111093020993. The next prime is 111093021007. The reversal of 111093021000 is 120390111.

It is an interprime number because it is at equal distance from previous prime (111093020993) and next prime (111093021007).

It can be written as a sum of positive squares in 8 ways, for example, as 5529112164 + 105563908836 = 74358^2 + 324906^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (111093021007) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 357757 + ... + 591756.

Almost surely, 2^111093021000 is an apocalyptic number.

111093021000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111093021000 is an abundant number, since it is smaller than the sum of its proper divisors (293286001320).

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

111093021000 is a wasteful number, since it uses less digits than its factorization.

111093021000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 949553 (or 949536 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

The spelling of 111093021000 in words is "one hundred eleven billion, ninety-three million, twenty-one thousand".