1100222220120 has 64 divisors (see below), whose sum is σ = 3305816137440. Its totient is φ = 292934860800.

The previous prime is 1100222220061. The next prime is 1100222220133. The reversal of 1100222220120 is 210222220011.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1100222220120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7074811 + ... + 7228650.

Almost surely, 2^{1100222220120} is an apocalyptic number.

1100222220120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1100222220120 is an abundant number, since it is smaller than the sum of its proper divisors (2205593917320).

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

1100222220120 is a wasteful number, since it uses less digits than its factorization.

1100222220120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14304116 (or 14304112 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1100222220120 its reverse (210222220011), we get a palindrome (1310444440131).

The spelling of 1100222220120 in words is "one trillion, one hundred billion, two hundred twenty-two million, two hundred twenty thousand, one hundred twenty".