210122212120231 has 2 divisors, whose sum is σ = 210122212120232. Its totient is φ = 210122212120230.

The previous prime is 210122212120027. The next prime is 210122212120237. The reversal of 210122212120231 is 132021212221012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 210122212120231 - 2⁴⁵ = 174937840031399 is a prime.

It is a super-2 number, since 2×210122212120231² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210122212120237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105061106060115 + 105061106060116.

It is an arithmetic number, because the mean of its divisors is an integer number (105061106060116).

Almost surely, 2^{210122212120231} is an apocalyptic number.

210122212120231 is a deficient number, since it is larger than the sum of its proper divisors (1).

210122212120231 is an equidigital number, since it uses as much as digits as its factorization.

210122212120231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 210122212120231 its reverse (132021212221012), we get a palindrome (342143424341243).

The spelling of 210122212120231 in words is "two hundred ten trillion, one hundred twenty-two billion, two hundred twelve million, one hundred twenty thousand, two hundred thirty-one".