22211012122 has 64 divisors (see below), whose sum is σ = 39816806400. Its totient is φ = 9198152640.

The previous prime is 22211012113. The next prime is 22211012137. The reversal of 22211012122 is 22121011222.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22211012096 and 22211012105.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 704329 + ... + 735187.

It is an arithmetic number, because the mean of its divisors is an integer number (622137600).

Almost surely, 2^22211012122 is an apocalyptic number.

22211012122 is a deficient number, since it is larger than the sum of its proper divisors (17605794278).

22211012122 is a wasteful number, since it uses less digits than its factorization.

22211012122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30971.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22211012122 its reverse (22121011222), we get a palindrome (44332023344).

The spelling of 22211012122 in words is "twenty-two billion, two hundred eleven million, twelve thousand, one hundred twenty-two".