2120031201023 has 2 divisors, whose sum is σ = 2120031201024. Its totient is φ = 2120031201022.

The previous prime is 2120031200983. The next prime is 2120031201137. The reversal of 2120031201023 is 3201021300212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2120031201023 - 2¹⁴ = 2120031184639 is a prime.

It is a super-2 number, since 2×2120031201023² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2120031200992 and 2120031201010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2120031203023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060015600511 + 1060015600512.

It is an arithmetic number, because the mean of its divisors is an integer number (1060015600512).

Almost surely, 2^{2120031201023} is an apocalyptic number.

2120031201023 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120031201023 is an equidigital number, since it uses as much as digits as its factorization.

2120031201023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 2120031201023 its reverse (3201021300212), we get a palindrome (5321052501235).

The spelling of 2120031201023 in words is "two trillion, one hundred twenty billion, thirty-one million, two hundred one thousand, twenty-three".