1121221102023 has 24 divisors (see below), whose sum is σ = 1766924050320. Its totient is φ = 679469708160.

The previous prime is 1121221102021. The next prime is 1121221102097. The reversal of 1121221102023 is 3202011221211.

It is not a de Polignac number, because 1121221102023 - 2¹ = 1121221102021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1121221101987 and 1121221102005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121221102021) 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, 690123 + ... + 1648851.

It is an arithmetic number, because the mean of its divisors is an integer number (73621835430).

Almost surely, 2^{1121221102023} is an apocalyptic number.

1121221102023 is a deficient number, since it is larger than the sum of its proper divisors (645702948297).

1121221102023 is a wasteful number, since it uses less digits than its factorization.

1121221102023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970559 (or 970556 counting only the distinct ones).

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

Adding to 1121221102023 its reverse (3202011221211), we get a palindrome (4323232323234).

The spelling of 1121221102023 in words is "one trillion, one hundred twenty-one billion, two hundred twenty-one million, one hundred two thousand, twenty-three".