211142212153 has 2 divisors, whose sum is σ = 211142212154. Its totient is φ = 211142212152.

The previous prime is 211142212147. The next prime is 211142212271. The reversal of 211142212153 is 351212241112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 149187517504 + 61954694649 = 386248^2 + 248907^2 .

It is a cyclic number.

It is not a de Polignac number, because 211142212153 - 2⁵ = 211142212121 is a prime.

It is not a weakly prime, because it can be changed into another prime (211142212553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105571106076 + 105571106077.

It is an arithmetic number, because the mean of its divisors is an integer number (105571106077).

Almost surely, 2^211142212153 is an apocalyptic number.

It is an amenable number.

211142212153 is a deficient number, since it is larger than the sum of its proper divisors (1).

211142212153 is an equidigital number, since it uses as much as digits as its factorization.

211142212153 is an evil number, because the sum of its binary digits is even.

The product of its digits is 960, while the sum is 25.

Adding to 211142212153 its reverse (351212241112), we get a palindrome (562354453265).

The spelling of 211142212153 in words is "two hundred eleven billion, one hundred forty-two million, two hundred twelve thousand, one hundred fifty-three".