221011000102112 has 96 divisors (see below), whose sum is σ = 474923462678784. Its totient is φ = 100406202624000.

The previous prime is 221011000102111. The next prime is 221011000102121. The reversal of 221011000102112 is 211201000110122.

It is a super-2 number, since 2×221011000102112² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221011000102111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6555644168 + ... + 6555677880.

It is an arithmetic number, because the mean of its divisors is an integer number (4947119402904).

Almost surely, 2^{221011000102112} is an apocalyptic number.

221011000102112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

221011000102112 is an abundant number, since it is smaller than the sum of its proper divisors (253912462576672).

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

221011000102112 is a wasteful number, since it uses less digits than its factorization.

221011000102112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43072 (or 43064 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 221011000102112 its reverse (211201000110122), we get a palindrome (432212000212234).

The spelling of 221011000102112 in words is "two hundred twenty-one trillion, eleven billion, one hundred two thousand, one hundred twelve".