1012100222 has 16 divisors (see below), whose sum is σ = 1735437312. Its totient is φ = 433655160.

The previous prime is 1012100213. The next prime is 1012100249. The reversal of 1012100222 is 2220012101.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110843 + ... + 119625.

It is an arithmetic number, because the mean of its divisors is an integer number (108464832).

Almost surely, 2^1012100222 is an apocalyptic number.

1012100222 is a deficient number, since it is larger than the sum of its proper divisors (723337090).

1012100222 is an equidigital number, since it uses as much as digits as its factorization.

1012100222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17023.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1012100222 is about 31813.5226279644. The cubic root of 1012100222 is about 1004.0172474458.

Adding to 1012100222 its reverse (2220012101), we get a palindrome (3232112323).

The spelling of 1012100222 in words is "one billion, twelve million, one hundred thousand, two hundred twenty-two".