1121022221022 has 24 divisors (see below), whose sum is σ = 2649688886520. Its totient is φ = 339703703280.

The previous prime is 1121022221017. The next prime is 1121022221023. The reversal of 1121022221022 is 2201222201211.

It is a happy number.

1121022221022 is a `hidden beast` number, since 1 + 1 + 210 + 222 + 210 + 22 = 666.

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 = 1121022220986 and 1121022221004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121022221023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2830863997 + ... + 2830864392.

It is an arithmetic number, because the mean of its divisors is an integer number (110403703605).

Almost surely, 2^{1121022221022} is an apocalyptic number.

1121022221022 is an abundant number, since it is smaller than the sum of its proper divisors (1528666665498).

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

1121022221022 is a wasteful number, since it uses less digits than its factorization.

1121022221022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5661728408 (or 5661728405 counting only the distinct ones).

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

Adding to 1121022221022 its reverse (2201222201211), we get a palindrome (3322244422233).

The spelling of 1121022221022 in words is "one trillion, one hundred twenty-one billion, twenty-two million, two hundred twenty-one thousand, twenty-two".