111012212011000 has 128 divisors (see below), whose sum is σ = 260696999309760. Its totient is φ = 44246366208000.

The previous prime is 111012212010961. The next prime is 111012212011033. The reversal of 111012212011000 is 110212210111.

It is a happy number.

It is a super-2 number, since 2×111012212011000² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 480317467 + ... + 480548533.

Almost surely, 2^{111012212011000} is an apocalyptic number.

111012212011000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111012212011000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130348499654880).

111012212011000 is an abundant number, since it is smaller than the sum of its proper divisors (149684787298760).

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

111012212011000 is a wasteful number, since it uses less digits than its factorization.

111012212011000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232802 (or 232788 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 111012212011000 its reverse (110212210111), we get a palindrome (111122424221111).

The spelling of 111012212011000 in words is "one hundred eleven trillion, twelve billion, two hundred twelve million, eleven thousand".