22102012212122 has 16 divisors (see below), whose sum is σ = 34901906983200. Its totient is φ = 10468176316560.

The previous prime is 22102012212109. The next prime is 22102012212127. The reversal of 22102012212122 is 22121221020122.

It is a junction number, because it is equal to n+sod(n) for n = 22102012212094 and 22102012212103.

It is not an unprimeable number, because it can be changed into a prime (22102012212127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32938172 + ... + 33602487.

It is an arithmetic number, because the mean of its divisors is an integer number (2181369186450).

Almost surely, 2^{22102012212122} is an apocalyptic number.

22102012212122 is a deficient number, since it is larger than the sum of its proper divisors (12799894771078).

22102012212122 is a wasteful number, since it uses less digits than its factorization.

22102012212122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66549421.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 22102012212122 its reverse (22121221020122), we get a palindrome (44223233232244).

The spelling of 22102012212122 in words is "twenty-two trillion, one hundred two billion, twelve million, two hundred twelve thousand, one hundred twenty-two".