2121012322023 has 64 divisors (see below), whose sum is σ = 3301908480000. Its totient is φ = 1186157934720.

The previous prime is 2121012322021. The next prime is 2121012322049. The reversal of 2121012322023 is 3202232101212.

It is not a de Polignac number, because 2121012322023 - 2¹ = 2121012322021 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121012322021) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 64118578 + ... + 64151648.

It is an arithmetic number, because the mean of its divisors is an integer number (51592320000).

Almost surely, 2^{2121012322023} is an apocalyptic number.

2121012322023 is a deficient number, since it is larger than the sum of its proper divisors (1180896157977).

2121012322023 is a wasteful number, since it uses less digits than its factorization.

2121012322023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33532.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 2121012322023 its reverse (3202232101212), we get a palindrome (5323244423235).

The spelling of 2121012322023 in words is "two trillion, one hundred twenty-one billion, twelve million, three hundred twenty-two thousand, twenty-three".