1022220021122 has 8 divisors (see below), whose sum is σ = 1538865519996. Its totient is φ = 509264847792.

The previous prime is 1022220021113. The next prime is 1022220021131. The reversal of 1022220021122 is 2211200222201.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1022220021113) and next prime (1022220021131).

It can be written as a sum of positive squares in 2 ways, for example, as 979824799321 + 42395221801 = 989861^2 + 205901^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1022220021122² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1022220021122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 922580693 + ... + 922581800.

Almost surely, 2^{1022220021122} is an apocalyptic number.

1022220021122 is a deficient number, since it is larger than the sum of its proper divisors (516645498874).

1022220021122 is a wasteful number, since it uses less digits than its factorization.

1022220021122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1845162772.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 1022220021122 its reverse (2211200222201), we get a palindrome (3233420243323).

The spelling of 1022220021122 in words is "one trillion, twenty-two billion, two hundred twenty million, twenty-one thousand, one hundred twenty-two".