1121312210023 has 16 divisors (see below), whose sum is σ = 1130370355296. Its totient is φ = 1112289045120.

The previous prime is 1121312210017. The next prime is 1121312210089. The reversal of 1121312210023 is 3200122131211.

It is a cyclic number.

It is not a de Polignac number, because 1121312210023 - 2¹³ = 1121312201831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121312217023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142348761 + ... + 142356637.

It is an arithmetic number, because the mean of its divisors is an integer number (70648147206).

Almost surely, 2^{1121312210023} is an apocalyptic number.

1121312210023 is a deficient number, since it is larger than the sum of its proper divisors (9058145273).

1121312210023 is a wasteful number, since it uses less digits than its factorization.

1121312210023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9954.

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

Adding to 1121312210023 its reverse (3200122131211), we get a palindrome (4321434341234).

The spelling of 1121312210023 in words is "one trillion, one hundred twenty-one billion, three hundred twelve million, two hundred ten thousand, twenty-three".