1121120572600 has 96 divisors (see below), whose sum is σ = 3020935219200. Its totient is φ = 378970300800.

The previous prime is 1121120572573. The next prime is 1121120572633. The reversal of 1121120572600 is 62750211211.

It is a super-2 number, since 2×1121120572600² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5540040 + ... + 5738839.

It is an arithmetic number, because the mean of its divisors is an integer number (31468075200).

Almost surely, 2^{1121120572600} is an apocalyptic number.

1121120572600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121120572600 is an abundant number, since it is smaller than the sum of its proper divisors (1899814646600).

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

1121120572600 is a wasteful number, since it uses less digits than its factorization.

1121120572600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11278973 (or 11278964 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 28.

Adding to 1121120572600 its reverse (62750211211), we get a palindrome (1183870783811).

It can be divided in two parts, 1121120 and 572600, that added together give a triangular number (1693720 = T₁₈₄₀).

The spelling of 1121120572600 in words is "one trillion, one hundred twenty-one billion, one hundred twenty million, five hundred seventy-two thousand, six hundred".