20212222100311 has 2 divisors, whose sum is σ = 20212222100312. Its totient is φ = 20212222100310.

The previous prime is 20212222100309. The next prime is 20212222100339. The reversal of 20212222100311 is 11300122221202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20212222100311 - 2¹ = 20212222100309 is a prime.

Together with 20212222100309, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20212222109311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10106111050155 + 10106111050156.

It is an arithmetic number, because the mean of its divisors is an integer number (10106111050156).

Almost surely, 2^{20212222100311} is an apocalyptic number.

20212222100311 is a deficient number, since it is larger than the sum of its proper divisors (1).

20212222100311 is an equidigital number, since it uses as much as digits as its factorization.

20212222100311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 20212222100311 its reverse (11300122221202), we get a palindrome (31512344321513).

The spelling of 20212222100311 in words is "twenty trillion, two hundred twelve billion, two hundred twenty-two million, one hundred thousand, three hundred eleven".