1123122130021 has 8 divisors (see below), whose sum is σ = 1129371070464. Its totient is φ = 1116873671760.

The previous prime is 1123122129977. The next prime is 1123122130037. The reversal of 1123122130021 is 1200312213211.

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

It is a cyclic number.

It is not a de Polignac number, because 1123122130021 - 2¹¹ = 1123122127973 is a prime.

It is a super-2 number, since 2×1123122130021² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123122137021) 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, 5202396 + ... + 5413978.

It is an arithmetic number, because the mean of its divisors is an integer number (141171383808).

Almost surely, 2^{1123122130021} is an apocalyptic number.

It is an amenable number.

1123122130021 is a deficient number, since it is larger than the sum of its proper divisors (6248940443).

1123122130021 is a wasteful number, since it uses less digits than its factorization.

1123122130021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241091.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1123122130021 its reverse (1200312213211), we get a palindrome (2323434343232).

The spelling of 1123122130021 in words is "one trillion, one hundred twenty-three billion, one hundred twenty-two million, one hundred thirty thousand, twenty-one".