10220120051 has 2 divisors, whose sum is σ = 10220120052. Its totient is φ = 10220120050.

The previous prime is 10220120047. The next prime is 10220120089. The reversal of 10220120051 is 15002102201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10220120051 - 2² = 10220120047 is a prime.

It is not a weakly prime, because it can be changed into another prime (10220720051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5110060025 + 5110060026.

It is an arithmetic number, because the mean of its divisors is an integer number (5110060026).

Almost surely, 2^10220120051 is an apocalyptic number.

10220120051 is a deficient number, since it is larger than the sum of its proper divisors (1).

10220120051 is an equidigital number, since it uses as much as digits as its factorization.

10220120051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40, while the sum is 14.

Adding to 10220120051 its reverse (15002102201), we get a palindrome (25222222252).

The spelling of 10220120051 in words is "ten billion, two hundred twenty million, one hundred twenty thousand, fifty-one".