1121222010123 has 12 divisors (see below), whose sum is σ = 1620394870848. Its totient is φ = 747088124400.

The previous prime is 1121222009981. The next prime is 1121222010133. The reversal of 1121222010123 is 3210102221211.

It is not a de Polignac number, because 1121222010123 - 2⁸ = 1121222009867 is a prime.

It is a super-4 number, since 4×1121222010123⁴ (a number of 49 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1121222010096 and 1121222010105.

It is not an unprimeable number, because it can be changed into a prime (1121222010133) 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, 32749915 + ... + 32784132.

It is an arithmetic number, because the mean of its divisors is an integer number (135032905904).

Almost surely, 2^{1121222010123} is an apocalyptic number.

1121222010123 is a deficient number, since it is larger than the sum of its proper divisors (499172860725).

1121222010123 is a wasteful number, since it uses less digits than its factorization.

1121222010123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65535954 (or 65535951 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 1121222010123 its reverse (3210102221211), we get a palindrome (4331324231334).

The spelling of 1121222010123 in words is "one trillion, one hundred twenty-one billion, two hundred twenty-two million, ten thousand, one hundred twenty-three".