20222121995827 has 2 divisors, whose sum is σ = 20222121995828. Its totient is φ = 20222121995826.

The previous prime is 20222121995759. The next prime is 20222121995851. The reversal of 20222121995827 is 72859912122202.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20222121995827 - 2³⁹ = 19672366181939 is a prime.

It is a super-2 number, since 2×20222121995827² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20222121995227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10111060997913 + 10111060997914.

It is an arithmetic number, because the mean of its divisors is an integer number (10111060997914).

Almost surely, 2^{20222121995827} is an apocalyptic number.

20222121995827 is a deficient number, since it is larger than the sum of its proper divisors (1).

20222121995827 is an equidigital number, since it uses as much as digits as its factorization.

20222121995827 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1451520, while the sum is 52.

The spelling of 20222121995827 in words is "twenty trillion, two hundred twenty-two billion, one hundred twenty-one million, nine hundred ninety-five thousand, eight hundred twenty-seven".