1121100401120 has 48 divisors (see below), whose sum is σ = 3026971086048. Its totient is φ = 384377280000.

The previous prime is 1121100401101. The next prime is 1121100401153. The reversal of 1121100401120 is 211040011211.

It is a super-2 number, since 2×1121100401120² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 1121100401095 and 1121100401104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 500490131 + ... + 500492370.

It is an arithmetic number, because the mean of its divisors is an integer number (63061897626).

Almost surely, 2^{1121100401120} is an apocalyptic number.

1121100401120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121100401120 is an abundant number, since it is smaller than the sum of its proper divisors (1905870684928).

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

1121100401120 is a wasteful number, since it uses less digits than its factorization.

1121100401120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000982523 (or 1000982515 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1121100401120 its reverse (211040011211), we get a palindrome (1332140412331).

The spelling of 1121100401120 in words is "one trillion, one hundred twenty-one billion, one hundred million, four hundred one thousand, one hundred twenty".