1121101102120 has 64 divisors (see below), whose sum is σ = 2596987008000. Its totient is φ = 435304235520.

The previous prime is 1121101102103. The next prime is 1121101102127. The reversal of 1121101102120 is 212011011211.

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 1121101102120.

It is not an unprimeable number, because it can be changed into a prime (1121101102127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1391224 + ... + 2043943.

It is an arithmetic number, because the mean of its divisors is an integer number (40577922000).

Almost surely, 2^{1121101102120} is an apocalyptic number.

1121101102120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121101102120 is an abundant number, since it is smaller than the sum of its proper divisors (1475885905880).

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

1121101102120 is a wasteful number, since it uses less digits than its factorization.

1121101102120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3435418 (or 3435414 counting only the distinct ones).

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

Adding to 1121101102120 its reverse (212011011211), we get a palindrome (1333112113331).

Subtracting from 1121101102120 its reverse (212011011211), we obtain a palindrome (909090090909).

It can be divided in two parts, 1121101 and 102120, that added together give a palindrome (1223221).

The spelling of 1121101102120 in words is "one trillion, one hundred twenty-one billion, one hundred one million, one hundred two thousand, one hundred twenty".