20110222212 has 48 divisors (see below), whose sum is σ = 49416407040. Its totient is φ = 6347655072.

The previous prime is 20110222189. The next prime is 20110222229. The reversal of 20110222212 is 21222201102.

It is a junction number, because it is equal to n+sod(n) for n = 20110222191 and 20110222200.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 502153 + ... + 540719.

It is an arithmetic number, because the mean of its divisors is an integer number (1029508480).

Almost surely, 2^20110222212 is an apocalyptic number.

It is an amenable number.

20110222212 is an abundant number, since it is smaller than the sum of its proper divisors (29306184828).

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

20110222212 is a wasteful number, since it uses less digits than its factorization.

20110222212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40880 (or 40878 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20110222212 its reverse (21222201102), we get a palindrome (41332423314).

The spelling of 20110222212 in words is "twenty billion, one hundred ten million, two hundred twenty-two thousand, two hundred twelve".