2222021212031 has 2 divisors, whose sum is σ = 2222021212032. Its totient is φ = 2222021212030.

The previous prime is 2222021212013. The next prime is 2222021212111. The reversal of 2222021212031 is 1302121202222.

Together with previous prime (2222021212013) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2222021212031 - 2²⁶ = 2221954103167 is a prime.

It is a super-2 number, since 2×2222021212031² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2222021211994 and 2222021212012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2222020212031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111010606015 + 1111010606016.

It is an arithmetic number, because the mean of its divisors is an integer number (1111010606016).

Almost surely, 2^{2222021212031} is an apocalyptic number.

2222021212031 is a deficient number, since it is larger than the sum of its proper divisors (1).

2222021212031 is an equidigital number, since it uses as much as digits as its factorization.

2222021212031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 2222021212031 its reverse (1302121202222), we get a palindrome (3524142414253).

The spelling of 2222021212031 in words is "two trillion, two hundred twenty-two billion, twenty-one million, two hundred twelve thousand, thirty-one".