1012222121022 has 32 divisors (see below), whose sum is σ = 2570722848000. Its totient is φ = 289206320184.

The previous prime is 1012222121011. The next prime is 1012222121041. The reversal of 1012222121022 is 2201212222101.

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 = 1012222120986 and 1012222121004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1338917772 + ... + 1338918527.

It is an arithmetic number, because the mean of its divisors is an integer number (80335089000).

Almost surely, 2^{1012222121022} is an apocalyptic number.

1012222121022 is an abundant number, since it is smaller than the sum of its proper divisors (1558500726978).

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

1012222121022 is a wasteful number, since it uses less digits than its factorization.

1012222121022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2677836317 (or 2677836311 counting only the distinct ones).

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

Adding to 1012222121022 its reverse (2201212222101), we get a palindrome (3213434343123).

The spelling of 1012222121022 in words is "one trillion, twelve billion, two hundred twenty-two million, one hundred twenty-one thousand, twenty-two".