1102021100120 has 16 divisors (see below), whose sum is σ = 2479547475360. Its totient is φ = 440808440032.

The previous prime is 1102021100083. The next prime is 1102021100123. The reversal of 1102021100120 is 210011202011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102021100123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13775263712 + ... + 13775263791.

It is an arithmetic number, because the mean of its divisors is an integer number (154971717210).

Almost surely, 2^{1102021100120} is an apocalyptic number.

1102021100120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1102021100120 is an abundant number, since it is smaller than the sum of its proper divisors (1377526375240).

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

1102021100120 is a wasteful number, since it uses less digits than its factorization.

1102021100120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27550527514 (or 27550527510 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1102021100120 its reverse (210011202011), we get a palindrome (1312032302131).

The spelling of 1102021100120 in words is "one trillion, one hundred two billion, twenty-one million, one hundred thousand, one hundred twenty".