1222212101022 has 96 divisors (see below), whose sum is σ = 2894524678656. Its totient is φ = 369642537600.

The previous prime is 1222212101003. The next prime is 1222212101051. The reversal of 1222212101022 is 2201012122221.

It is a happy number.

It is a super-2 number, since 2×1222212101022² (a number of 25 digits) contains 22 as substring.

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 = 1222212100986 and 1222212101004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 260541697 + ... + 260546387.

It is an arithmetic number, because the mean of its divisors is an integer number (30151298736).

Almost surely, 2^{1222212101022} is an apocalyptic number.

1222212101022 is an abundant number, since it is smaller than the sum of its proper divisors (1672312577634).

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

1222212101022 is a wasteful number, since it uses less digits than its factorization.

1222212101022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7006 (or 7003 counting only the distinct ones).

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

Adding to 1222212101022 its reverse (2201012122221), we get a palindrome (3423224223243).

The spelling of 1222212101022 in words is "one trillion, two hundred twenty-two billion, two hundred twelve million, one hundred one thousand, twenty-two".