22102220102012 has 48 divisors (see below), whose sum is σ = 41841224671680. Its totient is φ = 10178156347392.

The previous prime is 22102220102003. The next prime is 22102220102021. The reversal of 22102220102012 is 21020102220122.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22102220102003) and next prime (22102220102021).

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

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, 18237968 + ... + 19412055.

It is an arithmetic number, because the mean of its divisors is an integer number (871692180660).

Almost surely, 2^{22102220102012} is an apocalyptic number.

It is an amenable number.

22102220102012 is a deficient number, since it is larger than the sum of its proper divisors (19739004569668).

22102220102012 is a wasteful number, since it uses less digits than its factorization.

22102220102012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37650230 (or 37650228 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22102220102012 its reverse (21020102220122), we get a palindrome (43122322322134).

The spelling of 22102220102012 in words is "twenty-two trillion, one hundred two billion, two hundred twenty million, one hundred two thousand, twelve".