100222101012 has 48 divisors (see below), whose sum is σ = 255630541824. Its totient is φ = 30308460000.

The previous prime is 100222101011. The next prime is 100222101041. The reversal of 100222101012 is 210101222001.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100222101011) 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, 708364 + ... + 837987.

It is an arithmetic number, because the mean of its divisors is an integer number (5325636288).

Almost surely, 2^100222101012 is an apocalyptic number.

100222101012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100222101012 is an abundant number, since it is smaller than the sum of its proper divisors (155408440812).

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

100222101012 is a wasteful number, since it uses less digits than its factorization.

100222101012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1546860 (or 1546858 counting only the distinct ones).

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

Adding to 100222101012 its reverse (210101222001), we get a palindrome (310323323013).

The spelling of 100222101012 in words is "one hundred billion, two hundred twenty-two million, one hundred one thousand, twelve".