1111221101022 has 16 divisors (see below), whose sum is σ = 2319070124160. Its totient is φ = 354302379992.

The previous prime is 1111221101017. The next prime is 1111221101027. The reversal of 1111221101022 is 2201011221111.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1111221101017) and next prime (1111221101027).

It is a junction number, because it is equal to n+sod(n) for n = 1111221100992 and 1111221101010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111221101027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4026163272 + ... + 4026163547.

It is an arithmetic number, because the mean of its divisors is an integer number (144941882760).

Almost surely, 2^{1111221101022} is an apocalyptic number.

1111221101022 is an abundant number, since it is smaller than the sum of its proper divisors (1207849023138).

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

1111221101022 is a wasteful number, since it uses less digits than its factorization.

1111221101022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8052326847.

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

Adding to 1111221101022 its reverse (2201011221111), we get a palindrome (3312232322133).

The spelling of 1111221101022 in words is "one trillion, one hundred eleven billion, two hundred twenty-one million, one hundred one thousand, twenty-two".