212222020099 has 2 divisors, whose sum is σ = 212222020100. Its totient is φ = 212222020098.

The previous prime is 212222020093. The next prime is 212222020111. The reversal of 212222020099 is 990020222212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212222020099 - 2²³ = 212213631491 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212222020099.

It is not a weakly prime, because it can be changed into another prime (212222020093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106111010049 + 106111010050.

It is an arithmetic number, because the mean of its divisors is an integer number (106111010050).

Almost surely, 2^212222020099 is an apocalyptic number.

212222020099 is a deficient number, since it is larger than the sum of its proper divisors (1).

212222020099 is an equidigital number, since it uses as much as digits as its factorization.

212222020099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 31.

The spelling of 212222020099 in words is "two hundred twelve billion, two hundred twenty-two million, twenty thousand, ninety-nine".