211142032399 has 4 divisors (see below), whose sum is σ = 211164626200. Its totient is φ = 211119438600.

The previous prime is 211142032337. The next prime is 211142032463. The reversal of 211142032399 is 993230241112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211142032399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211142032319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11282877 + ... + 11301574.

It is an arithmetic number, because the mean of its divisors is an integer number (52791156550).

Almost surely, 2^211142032399 is an apocalyptic number.

211142032399 is a deficient number, since it is larger than the sum of its proper divisors (22593801).

211142032399 is an equidigital number, since it uses as much as digits as its factorization.

211142032399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22593800.

The product of its (nonzero) digits is 23328, while the sum is 37.

The spelling of 211142032399 in words is "two hundred eleven billion, one hundred forty-two million, thirty-two thousand, three hundred ninety-nine".