141921211 has 2 divisors, whose sum is σ = 141921212. Its totient is φ = 141921210.

The previous prime is 141921191. The next prime is 141921251. The reversal of 141921211 is 112129141.

It is a weak prime.

It is an emirp because it is prime and its reverse (112129141) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 141921211 - 2¹⁹ = 141396923 is a prime.

It is not a weakly prime, because it can be changed into another prime (141921251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70960605 + 70960606.

It is an arithmetic number, because the mean of its divisors is an integer number (70960606).

Almost surely, 2^141921211 is an apocalyptic number.

141921211 is a deficient number, since it is larger than the sum of its proper divisors (1).

141921211 is an equidigital number, since it uses as much as digits as its factorization.

141921211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 144, while the sum is 22.

The square root of 141921211 is about 11913.0689161106. The cubic root of 141921211 is about 521.6138360805.

The spelling of 141921211 in words is "one hundred forty-one million, nine hundred twenty-one thousand, two hundred eleven".