1121152552100 has 36 divisors (see below), whose sum is σ = 2780458330944. Its totient is φ = 384395160480.

The previous prime is 1121152552087. The next prime is 1121152552109. The reversal of 1121152552100 is 12552511211.

It is a self number, because there is not a number n which added to its sum of digits gives 1121152552100.

It is not an unprimeable number, because it can be changed into a prime (1121152552109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 800822552 + ... + 800823951.

Almost surely, 2^{1121152552100} is an apocalyptic number.

1121152552100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121152552100 is an abundant number, since it is smaller than the sum of its proper divisors (1659305778844).

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

1121152552100 is a wasteful number, since it uses less digits than its factorization.

1121152552100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1601646524 (or 1601646517 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 26.

The spelling of 1121152552100 in words is "one trillion, one hundred twenty-one billion, one hundred fifty-two million, five hundred fifty-two thousand, one hundred".