1101111221022 has 16 divisors (see below), whose sum is σ = 2297971244160. Its totient is φ = 351078939992.

The previous prime is 1101111220969. The next prime is 1101111221051. The reversal of 1101111221022 is 2201221111011.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1101111220992 and 1101111221010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3989533272 + ... + 3989533547.

It is an arithmetic number, because the mean of its divisors is an integer number (143623202760).

Almost surely, 2^{1101111221022} is an apocalyptic number.

1101111221022 is an abundant number, since it is smaller than the sum of its proper divisors (1196860023138).

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

1101111221022 is a wasteful number, since it uses less digits than its factorization.

1101111221022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7979066847.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1101111221022 its reverse (2201221111011), we get a palindrome (3302332332033).

The spelling of 1101111221022 in words is "one trillion, one hundred one billion, one hundred eleven million, two hundred twenty-one thousand, twenty-two".