1121123011000 has 32 divisors (see below), whose sum is σ = 2623427848080. Its totient is φ = 448449204000.

The previous prime is 1121123010991. The next prime is 1121123011013. The reversal of 1121123011000 is 1103211211.

It is a happy number.

It is a super-2 number, since 2×1121123011000² (a number of 25 digits) contains 22 as substring.

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, 560560506 + ... + 560562505.

Almost surely, 2^{1121123011000} is an apocalyptic number.

1121123011000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121123011000 is an abundant number, since it is smaller than the sum of its proper divisors (1502304837080).

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

1121123011000 is a wasteful number, since it uses less digits than its factorization.

1121123011000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121123032 (or 1121123018 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 1121123011000 its reverse (1103211211), we get a palindrome (1122226222211).

The spelling of 1121123011000 in words is "one trillion, one hundred twenty-one billion, one hundred twenty-three million, eleven thousand".