210122021000233 has 2 divisors, whose sum is σ = 210122021000234. Its totient is φ = 210122021000232.

The previous prime is 210122021000197. The next prime is 210122021000237. The reversal of 210122021000233 is 332000120221012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 208046381458969 + 2075639541264 = 14423813^2 + 1440708^2 .

It is a cyclic number.

It is not a de Polignac number, because 210122021000233 - 2²¹ = 210122018903081 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 210122021000233.

It is not a weakly prime, because it can be changed into another prime (210122021000237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105061010500116 + 105061010500117.

It is an arithmetic number, because the mean of its divisors is an integer number (105061010500117).

Almost surely, 2^{210122021000233} is an apocalyptic number.

It is an amenable number.

210122021000233 is a deficient number, since it is larger than the sum of its proper divisors (1).

210122021000233 is an equidigital number, since it uses as much as digits as its factorization.

210122021000233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 210122021000233 its reverse (332000120221012), we get a palindrome (542122141221245).

The spelling of 210122021000233 in words is "two hundred ten trillion, one hundred twenty-two billion, twenty-one million, two hundred thirty-three", and thus it is an aban number.