1012122221022 has 40 divisors (see below), whose sum is σ = 2474076544632. Its totient is φ = 306703702800.

The previous prime is 1012122221009. The next prime is 1012122221081. The reversal of 1012122221022 is 2201222212101.

It is a happy number.

It is a super-3 number, since 3×1012122221022³ (a number of 37 digits) contains 333 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 = 1012122220986 and 1012122221004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 283983129 + ... + 283986692.

Almost surely, 2^{1012122221022} is an apocalyptic number.

1012122221022 is an abundant number, since it is smaller than the sum of its proper divisors (1461954323610).

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

1012122221022 is a wasteful number, since it uses less digits than its factorization.

1012122221022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567969846 (or 567969837 counting only the distinct ones).

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

Adding to 1012122221022 its reverse (2201222212101), we get a palindrome (3213344433123).

The spelling of 1012122221022 in words is "one trillion, twelve billion, one hundred twenty-two million, two hundred twenty-one thousand, twenty-two".