22100221121051 has 2 divisors, whose sum is σ = 22100221121052. Its totient is φ = 22100221121050.

The previous prime is 22100221120963. The next prime is 22100221121093. The reversal of 22100221121051 is 15012112200122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22100221121051 - 2¹⁸ = 22100220858907 is a prime.

It is not a weakly prime, because it can be changed into another prime (22100221121551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11050110560525 + 11050110560526.

It is an arithmetic number, because the mean of its divisors is an integer number (11050110560526).

Almost surely, 2^{22100221121051} is an apocalyptic number.

22100221121051 is a deficient number, since it is larger than the sum of its proper divisors (1).

22100221121051 is an equidigital number, since it uses as much as digits as its factorization.

22100221121051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 160, while the sum is 20.

Adding to 22100221121051 its reverse (15012112200122), we get a palindrome (37112333321173).

The spelling of 22100221121051 in words is "twenty-two trillion, one hundred billion, two hundred twenty-one million, one hundred twenty-one thousand, fifty-one".