22121202020711 has 2 divisors, whose sum is σ = 22121202020712. Its totient is φ = 22121202020710.

The previous prime is 22121202020699. The next prime is 22121202020719. The reversal of 22121202020711 is 11702020212122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22121202020711 - 2⁶ = 22121202020647 is a prime.

It is a super-2 number, since 2×22121202020711² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22121202020719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11060601010355 + 11060601010356.

It is an arithmetic number, because the mean of its divisors is an integer number (11060601010356).

Almost surely, 2^{22121202020711} is an apocalyptic number.

22121202020711 is a deficient number, since it is larger than the sum of its proper divisors (1).

22121202020711 is an equidigital number, since it uses as much as digits as its factorization.

22121202020711 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 23.

Adding to 22121202020711 its reverse (11702020212122), we get a palindrome (33823222232833).

The spelling of 22121202020711 in words is "twenty-two trillion, one hundred twenty-one billion, two hundred two million, twenty thousand, seven hundred eleven".