122021201051 has 2 divisors, whose sum is σ = 122021201052. Its totient is φ = 122021201050.

The previous prime is 122021201039. The next prime is 122021201077. The reversal of 122021201051 is 150102120221.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122021201051 is a prime.

It is not a weakly prime, because it can be changed into another prime (122021201021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61010600525 + 61010600526.

It is an arithmetic number, because the mean of its divisors is an integer number (61010600526).

Almost surely, 2^122021201051 is an apocalyptic number.

122021201051 is a deficient number, since it is larger than the sum of its proper divisors (1).

122021201051 is an equidigital number, since it uses as much as digits as its factorization.

122021201051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80, while the sum is 17.

Adding to 122021201051 its reverse (150102120221), we get a palindrome (272123321272).

The spelling of 122021201051 in words is "one hundred twenty-two billion, twenty-one million, two hundred one thousand, fifty-one".