222100111002 has 128 divisors (see below), whose sum is σ = 567190407168. Its totient is φ = 56310681600.

The previous prime is 222100111001. The next prime is 222100111027. The reversal of 222100111002 is 200111001222.

It is not an unprimeable number, because it can be changed into a prime (222100111001) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3237477 + ... + 3305367.

It is an arithmetic number, because the mean of its divisors is an integer number (4431175056).

Almost surely, 2^222100111002 is an apocalyptic number.

222100111002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 222100111002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (283595203584).

222100111002 is an abundant number, since it is smaller than the sum of its proper divisors (345090296166).

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

222100111002 is a wasteful number, since it uses less digits than its factorization.

222100111002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68084.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 222100111002 its reverse (200111001222), we get a palindrome (422211112224).

The spelling of 222100111002 in words is "two hundred twenty-two billion, one hundred million, one hundred eleven thousand, two".