1102111021120 has 56 divisors (see below), whose sum is σ = 2626928553600. Its totient is φ = 440419978752.

The previous prime is 1102111021093. The next prime is 1102111021127. The reversal of 1102111021120 is 211201112011.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1102111021120.

It is not an unprimeable number, because it can be changed into a prime (1102111021127) 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, 1324930 + ... + 1989889.

Almost surely, 2^{1102111021120} is an apocalyptic number.

1102111021120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1102111021120 is an abundant number, since it is smaller than the sum of its proper divisors (1524817532480).

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

1102111021120 is a wasteful number, since it uses less digits than its factorization.

1102111021120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3315875 (or 3315865 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1102111021120 its reverse (211201112011), we get a palindrome (1313312133131).

The spelling of 1102111021120 in words is "one trillion, one hundred two billion, one hundred eleven million, twenty-one thousand, one hundred twenty".