222121200941 has 2 divisors, whose sum is σ = 222121200942. Its totient is φ = 222121200940.

The previous prime is 222121200929. The next prime is 222121201019. The reversal of 222121200941 is 149002121222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 198782222500 + 23338978441 = 445850^2 + 152771^2 .

It is a cyclic number.

It is not a de Polignac number, because 222121200941 - 2¹⁰ = 222121199917 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222121200941.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222121200241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111060600470 + 111060600471.

It is an arithmetic number, because the mean of its divisors is an integer number (111060600471).

Almost surely, 2^222121200941 is an apocalyptic number.

It is an amenable number.

222121200941 is a deficient number, since it is larger than the sum of its proper divisors (1).

222121200941 is an equidigital number, since it uses as much as digits as its factorization.

222121200941 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 26.

The spelling of 222121200941 in words is "two hundred twenty-two billion, one hundred twenty-one million, two hundred thousand, nine hundred forty-one".