20112100222 has 8 divisors (see below), whose sum is σ = 30810026016. Its totient is φ = 9842091552.

The previous prime is 20112100219. The next prime is 20112100247. The reversal of 20112100222 is 22200121102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106979163 + ... + 106979350.

It is an arithmetic number, because the mean of its divisors is an integer number (3851253252).

Almost surely, 2^20112100222 is an apocalyptic number.

20112100222 is a deficient number, since it is larger than the sum of its proper divisors (10697925794).

20112100222 is a wasteful number, since it uses less digits than its factorization.

20112100222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213958562.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20112100222 its reverse (22200121102), we get a palindrome (42312221324).

The spelling of 20112100222 in words is "twenty billion, one hundred twelve million, one hundred thousand, two hundred twenty-two".