1102021220120 has 32 divisors (see below), whose sum is σ = 2480986987920. Its totient is φ = 440552622720.

The previous prime is 1102021220009. The next prime is 1102021220129. The reversal of 1102021220120 is 210221202011.

It is a junction number, because it is equal to n+sod(n) for n = 1102021220095 and 1102021220104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102021220129) 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, 7926011 + ... + 8063850.

Almost surely, 2^{1102021220120} is an apocalyptic number.

1102021220120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1102021220120 is an abundant number, since it is smaller than the sum of its proper divisors (1378965767800).

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

1102021220120 is a wasteful number, since it uses less digits than its factorization.

1102021220120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15991595 (or 15991591 counting only the distinct ones).

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

Adding to 1102021220120 its reverse (210221202011), we get a palindrome (1312242422131).

The spelling of 1102021220120 in words is "one trillion, one hundred two billion, twenty-one million, two hundred twenty thousand, one hundred twenty".