1100122012220 has 96 divisors (see below), whose sum is σ = 2890949031936. Its totient is φ = 341629747200.

The previous prime is 1100122012219. The next prime is 1100122012271. The reversal of 1100122012220 is 222102210011.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 1100122012195 and 1100122012204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 900677 + ... + 1735356.

It is an arithmetic number, because the mean of its divisors is an integer number (30114052416).

Almost surely, 2^{1100122012220} is an apocalyptic number.

1100122012220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1100122012220 is an abundant number, since it is smaller than the sum of its proper divisors (1790827019716).

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

1100122012220 is a wasteful number, since it uses less digits than its factorization.

1100122012220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2636331 (or 2636329 counting only the distinct ones).

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

Adding to 1100122012220 its reverse (222102210011), we get a palindrome (1322224222231).

The spelling of 1100122012220 in words is "one trillion, one hundred billion, one hundred twenty-two million, twelve thousand, two hundred twenty".