1022122211022 has 128 divisors (see below), whose sum is σ = 2527487262720. Its totient is φ = 303590941920.

The previous prime is 1022122211021. The next prime is 1022122211023. The reversal of 1022122211022 is 2201122212201.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1022122211021) and next prime (1022122211023).

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 = 1022122210986 and 1022122211004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022122211021) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6179733 + ... + 6342975.

It is an arithmetic number, because the mean of its divisors is an integer number (19745994240).

Almost surely, 2^{1022122211022} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1022122211022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1263743631360).

1022122211022 is an abundant number, since it is smaller than the sum of its proper divisors (1505365051698).

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

1022122211022 is a wasteful number, since it uses less digits than its factorization.

1022122211022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163475 (or 163469 counting only the distinct ones).

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

Adding to 1022122211022 its reverse (2201122212201), we get a palindrome (3223244423223).

The spelling of 1022122211022 in words is "one trillion, twenty-two billion, one hundred twenty-two million, two hundred eleven thousand, twenty-two".