1012221122022 has 40 divisors (see below), whose sum is σ = 2474318302632. Its totient is φ = 306733672800.

The previous prime is 1012221121979. The next prime is 1012221122057. The reversal of 1012221122022 is 2202211222101.

It is a happy number.

It is a super-2 number, since 2×1012221122022² (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 = 1012221121986 and 1012221122004.

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, 284010879 + ... + 284014442.

Almost surely, 2^{1012221122022} is an apocalyptic number.

1012221122022 is an abundant number, since it is smaller than the sum of its proper divisors (1462097180610).

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

1012221122022 is a wasteful number, since it uses less digits than its factorization.

1012221122022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568025346 (or 568025337 counting only the distinct ones).

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

Adding to 1012221122022 its reverse (2202211222101), we get a palindrome (3214432344123).

The spelling of 1012221122022 in words is "one trillion, twelve billion, two hundred twenty-one million, one hundred twenty-two thousand, twenty-two".