1121121303102 has 48 divisors (see below), whose sum is σ = 2566592224560. Its totient is φ = 366656015232.

The previous prime is 1121121303101. The next prime is 1121121303131. The reversal of 1121121303102 is 2013031211211.

1121121303102 is a `hidden beast` number, since 11 + 211 + 2 + 130 + 310 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121121303101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21736827 + ... + 21788342.

It is an arithmetic number, because the mean of its divisors is an integer number (53470671345).

Almost surely, 2^{1121121303102} is an apocalyptic number.

1121121303102 is an abundant number, since it is smaller than the sum of its proper divisors (1445470921458).

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

1121121303102 is an equidigital number, since it uses as much as digits as its factorization.

1121121303102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43525239 (or 43525227 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 1121121303102 its reverse (2013031211211), we get a palindrome (3134152514313).

The spelling of 1121121303102 in words is "one trillion, one hundred twenty-one billion, one hundred twenty-one million, three hundred three thousand, one hundred two".