1121022120123 has 24 divisors (see below), whose sum is σ = 1706944940480. Its totient is φ = 706989273840.

The previous prime is 1121022120079. The next prime is 1121022120131. The reversal of 1121022120123 is 3210212201211.

1121022120123 is a `hidden beast` number, since 11 + 210 + 221 + 201 + 23 = 666.

It is not a de Polignac number, because 1121022120123 - 2¹⁰ = 1121022119099 is a prime.

It is a super-3 number, since 3×1121022120123³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1121022120096 and 1121022120105.

It is not an unprimeable number, because it can be changed into a prime (1121022120173) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4625461 + ... + 4861782.

Almost surely, 2^{1121022120123} is an apocalyptic number.

1121022120123 is a deficient number, since it is larger than the sum of its proper divisors (585922820357).

1121022120123 is a wasteful number, since it uses less digits than its factorization.

1121022120123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9487959 (or 9487956 counting only the distinct ones).

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

Adding to 1121022120123 its reverse (3210212201211), we get a palindrome (4331234321334).

The spelling of 1121022120123 in words is "one trillion, one hundred twenty-one billion, twenty-two million, one hundred twenty thousand, one hundred twenty-three".