210122220127 has 2 divisors, whose sum is σ = 210122220128. Its totient is φ = 210122220126.

The previous prime is 210122220101. The next prime is 210122220173. The reversal of 210122220127 is 721022221012.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210122220127 is a prime.

It is a super-2 number, since 2×210122220127² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 210122220098 and 210122220107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210122220197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105061110063 + 105061110064.

It is an arithmetic number, because the mean of its divisors is an integer number (105061110064).

Almost surely, 2^210122220127 is an apocalyptic number.

210122220127 is a deficient number, since it is larger than the sum of its proper divisors (1).

210122220127 is an equidigital number, since it uses as much as digits as its factorization.

210122220127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 22.

Adding to 210122220127 its reverse (721022221012), we get a palindrome (931144441139).

The spelling of 210122220127 in words is "two hundred ten billion, one hundred twenty-two million, two hundred twenty thousand, one hundred twenty-seven".