22201212011022 has 96 divisors (see below), whose sum is σ = 52603947002880. Its totient is φ = 6711194338560.

The previous prime is 22201212010987. The next prime is 22201212011029. The reversal of 22201212011022 is 22011021210222.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 22201212010986 and 22201212011004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22201212011029) 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 47 ways as a sum of consecutive naturals, for example, 274716873 + ... + 274797675.

It is an arithmetic number, because the mean of its divisors is an integer number (547957781280).

Almost surely, 2^{22201212011022} is an apocalyptic number.

22201212011022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22201212011022 is an abundant number, since it is smaller than the sum of its proper divisors (30402734991858).

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

22201212011022 is a wasteful number, since it uses less digits than its factorization.

22201212011022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84198 (or 84195 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 22201212011022 its reverse (22011021210222), we get a palindrome (44212233221244).

The spelling of 22201212011022 in words is "twenty-two trillion, two hundred one billion, two hundred twelve million, eleven thousand, twenty-two".