221111012211000 has 128 divisors (see below), whose sum is σ = 708511395159360. Its totient is φ = 57369343680000.

The previous prime is 221111012210993. The next prime is 221111012211049. The reversal of 221111012211000 is 112210111122.

It is a happy number.

221111012211000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×221111012211000² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 995884551 + ... + 996106550.

Almost surely, 2^{221111012211000} is an apocalyptic number.

221111012211000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221111012211000 is an abundant number, since it is smaller than the sum of its proper divisors (487400382948360).

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

221111012211000 is a wasteful number, since it uses less digits than its factorization.

221111012211000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1991991162 (or 1991991148 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 221111012211000 its reverse (112210111122), we get a palindrome (221223222322122).

The spelling of 221111012211000 in words is "two hundred twenty-one trillion, one hundred eleven billion, twelve million, two hundred eleven thousand".