1121011200123 has 8 divisors (see below), whose sum is σ = 1494813579600. Its totient is φ = 747274810368.

The previous prime is 1121011200097. The next prime is 1121011200143. The reversal of 1121011200123 is 3210021101211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1121011200123 - 2⁶ = 1121011200059 is a prime.

It is a super-2 number, since 2×1121011200123² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1121011200143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16457778 + ... + 16525751.

It is an arithmetic number, because the mean of its divisors is an integer number (186851697450).

Almost surely, 2^{1121011200123} is an apocalyptic number.

1121011200123 is a deficient number, since it is larger than the sum of its proper divisors (373802379477).

1121011200123 is a wasteful number, since it uses less digits than its factorization.

1121011200123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32994861.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 1121011200123 its reverse (3210021101211), we get a palindrome (4331032301334).

The spelling of 1121011200123 in words is "one trillion, one hundred twenty-one billion, eleven million, two hundred thousand, one hundred twenty-three".