11222012222212 has 24 divisors (see below), whose sum is σ = 21725585767872. Its totient is φ = 5029070776800.

The previous prime is 11222012222207. The next prime is 11222012222231. The reversal of 11222012222212 is 21222221022211.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 1796093583 + ... + 1796099830.

It is an arithmetic number, because the mean of its divisors is an integer number (905232740328).

Almost surely, 2^{11222012222212} is an apocalyptic number.

It is an amenable number.

11222012222212 is a deficient number, since it is larger than the sum of its proper divisors (10503573545660).

11222012222212 is a wasteful number, since it uses less digits than its factorization.

11222012222212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3592193499 (or 3592193497 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 11222012222212 its reverse (21222221022211), we get a palindrome (32444233244423).

The spelling of 11222012222212 in words is "eleven trillion, two hundred twenty-two billion, twelve million, two hundred twenty-two thousand, two hundred twelve".