2120010223021 has 2 divisors, whose sum is σ = 2120010223022. Its totient is φ = 2120010223020.

The previous prime is 2120010223007. The next prime is 2120010223027. The reversal of 2120010223021 is 1203220100212.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1814489820900 + 305520402121 = 1347030^2 + 552739^2 .

It is a cyclic number.

It is not a de Polignac number, because 2120010223021 - 2⁵ = 2120010222989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2120010222986 and 2120010223004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2120010223027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060005111510 + 1060005111511.

It is an arithmetic number, because the mean of its divisors is an integer number (1060005111511).

Almost surely, 2^{2120010223021} is an apocalyptic number.

It is an amenable number.

2120010223021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120010223021 is an equidigital number, since it uses as much as digits as its factorization.

2120010223021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 2120010223021 its reverse (1203220100212), we get a palindrome (3323230323233).

The spelling of 2120010223021 in words is "two trillion, one hundred twenty billion, ten million, two hundred twenty-three thousand, twenty-one".