1100111221062 has 24 divisors (see below), whose sum is σ = 2724084928656. Its totient is φ = 314317491696.

The previous prime is 1100111221061. The next prime is 1100111221127. The reversal of 1100111221062 is 2601221110011.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100111221061) 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, 4365520593 + ... + 4365520844.

It is an arithmetic number, because the mean of its divisors is an integer number (113503538694).

Almost surely, 2^{1100111221062} is an apocalyptic number.

1100111221062 is an abundant number, since it is smaller than the sum of its proper divisors (1623973707594).

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

1100111221062 is a wasteful number, since it uses less digits than its factorization.

1100111221062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8731041452 (or 8731041449 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 1100111221062 its reverse (2601221110011), we get a palindrome (3701332331073).

The spelling of 1100111221062 in words is "one trillion, one hundred billion, one hundred eleven million, two hundred twenty-one thousand, sixty-two".