210122141 has 2 divisors, whose sum is σ = 210122142. Its totient is φ = 210122140.

The previous prime is 210122131. The next prime is 210122153. The reversal of 210122141 is 141221012.

It is a happy number.

210122141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 209815225 + 306916 = 14485^2 + 554^2 .

It is a cyclic number.

It is not a de Polignac number, because 210122141 - 2²² = 205927837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210122131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105061070 + 105061071.

It is an arithmetic number, because the mean of its divisors is an integer number (105061071).

Almost surely, 2^210122141 is an apocalyptic number.

It is an amenable number.

210122141 is a deficient number, since it is larger than the sum of its proper divisors (1).

210122141 is an equidigital number, since it uses as much as digits as its factorization.

210122141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 210122141 is about 14495.5903984626. The cubic root of 210122141 is about 594.5074104929.

Adding to 210122141 its reverse (141221012), we get a palindrome (351343153).

It can be divided in two parts, 2101 and 22141, that added together give a palindrome (24242).

The spelling of 210122141 in words is "two hundred ten million, one hundred twenty-two thousand, one hundred forty-one".