1100102201220 has 96 divisors (see below), whose sum is σ = 3366198291456. Its totient is φ = 266224291200.

The previous prime is 1100102201167. The next prime is 1100102201249. The reversal of 1100102201220 is 221022010011.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1100102201196 and 1100102201205.

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, 1082704 + ... + 1836423.

It is an arithmetic number, because the mean of its divisors is an integer number (35064565536).

Almost surely, 2^{1100102201220} is an apocalyptic number.

1100102201220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1100102201220 is an abundant number, since it is smaller than the sum of its proper divisors (2266096090236).

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

1100102201220 is a wasteful number, since it uses less digits than its factorization.

1100102201220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2919721 (or 2919719 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1100102201220 its reverse (221022010011), we get a palindrome (1321124211231).

The spelling of 1100102201220 in words is "one trillion, one hundred billion, one hundred two million, two hundred one thousand, two hundred twenty".