22223040121 has 2 divisors, whose sum is σ = 22223040122. Its totient is φ = 22223040120.

The previous prime is 22223040089. The next prime is 22223040131. The reversal of 22223040121 is 12104032222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13938399721 + 8284640400 = 118061^2 + 91020^2 .

It is a cyclic number.

It is not a de Polignac number, because 22223040121 - 2⁵ = 22223040089 is a prime.

It is not a weakly prime, because it can be changed into another prime (22223040131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11111520060 + 11111520061.

It is an arithmetic number, because the mean of its divisors is an integer number (11111520061).

Almost surely, 2^22223040121 is an apocalyptic number.

It is an amenable number.

22223040121 is a deficient number, since it is larger than the sum of its proper divisors (1).

22223040121 is an equidigital number, since it uses as much as digits as its factorization.

22223040121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 22223040121 its reverse (12104032222), we get a palindrome (34327072343).

The spelling of 22223040121 in words is "twenty-two billion, two hundred twenty-three million, forty thousand, one hundred twenty-one".