22001100121043 has 2 divisors, whose sum is σ = 22001100121044. Its totient is φ = 22001100121042.

The previous prime is 22001100120991. The next prime is 22001100121111. The reversal of 22001100121043 is 34012100110022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22001100121043 - 2⁴⁰ = 20901588493267 is a prime.

It is not a weakly prime, because it can be changed into another prime (22001100121543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11000550060521 + 11000550060522.

It is an arithmetic number, because the mean of its divisors is an integer number (11000550060522).

Almost surely, 2^{22001100121043} is an apocalyptic number.

22001100121043 is a deficient number, since it is larger than the sum of its proper divisors (1).

22001100121043 is an equidigital number, since it uses as much as digits as its factorization.

22001100121043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 22001100121043 its reverse (34012100110022), we get a palindrome (56013200231065).

The spelling of 22001100121043 in words is "twenty-two trillion, one billion, one hundred million, one hundred twenty-one thousand, forty-three".