211162142 has 8 divisors (see below), whose sum is σ = 326960832. Its totient is φ = 102175200.

The previous prime is 211162141. The next prime is 211162169. The reversal of 211162142 is 241261112.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211162141) 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, 1702859 + ... + 1702982.

It is an arithmetic number, because the mean of its divisors is an integer number (40870104).

Almost surely, 2^211162142 is an apocalyptic number.

211162142 is a deficient number, since it is larger than the sum of its proper divisors (115798690).

211162142 is a wasteful number, since it uses less digits than its factorization.

211162142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3405874.

The product of its digits is 192, while the sum is 20.

The square root of 211162142 is about 14531.4191323490. The cubic root of 211162142 is about 595.4866362265.

The spelling of 211162142 in words is "two hundred eleven million, one hundred sixty-two thousand, one hundred forty-two".