22101221002043 has 2 divisors, whose sum is σ = 22101221002044. Its totient is φ = 22101221002042.

The previous prime is 22101221002037. The next prime is 22101221002123. The reversal of 22101221002043 is 34020012210122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22101221002043 - 2¹⁰ = 22101221001019 is a prime.

It is a super-2 number, since 2×22101221002043² (a number of 27 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (22101221002013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11050610501021 + 11050610501022.

It is an arithmetic number, because the mean of its divisors is an integer number (11050610501022).

Almost surely, 2^{22101221002043} is an apocalyptic number.

22101221002043 is a deficient number, since it is larger than the sum of its proper divisors (1).

22101221002043 is an equidigital number, since it uses as much as digits as its factorization.

22101221002043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 22101221002043 its reverse (34020012210122), we get a palindrome (56121233212165).

The spelling of 22101221002043 in words is "twenty-two trillion, one hundred one billion, two hundred twenty-one million, two thousand, forty-three".