1100021221022 has 32 divisors (see below), whose sum is σ = 1751096793600. Its totient is φ = 516813650208.

The previous prime is 1100021220997. The next prime is 1100021221043. The reversal of 1100021221022 is 2201221200011.

It is a junction number, because it is equal to n+sod(n) for n = 1100021220988 and 1100021221006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2048303 + ... + 2528949.

It is an arithmetic number, because the mean of its divisors is an integer number (54721774800).

Almost surely, 2^{1100021221022} is an apocalyptic number.

1100021221022 is a deficient number, since it is larger than the sum of its proper divisors (651075572578).

1100021221022 is a wasteful number, since it uses less digits than its factorization.

1100021221022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481160.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1100021221022 its reverse (2201221200011), we get a palindrome (3301242421033).

The spelling of 1100021221022 in words is "one trillion, one hundred billion, twenty-one million, two hundred twenty-one thousand, twenty-two".