222121880951 has 2 divisors, whose sum is σ = 222121880952. Its totient is φ = 222121880950.

The previous prime is 222121880933. The next prime is 222121880957. The reversal of 222121880951 is 159088121222.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222121880951 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222121880899 and 222121880908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222121880957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111060940475 + 111060940476.

It is an arithmetic number, because the mean of its divisors is an integer number (111060940476).

Almost surely, 2^222121880951 is an apocalyptic number.

222121880951 is a deficient number, since it is larger than the sum of its proper divisors (1).

222121880951 is an equidigital number, since it uses as much as digits as its factorization.

222121880951 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46080, while the sum is 41.

The spelling of 222121880951 in words is "two hundred twenty-two billion, one hundred twenty-one million, eight hundred eighty thousand, nine hundred fifty-one".