211142212210 has 48 divisors (see below), whose sum is σ = 404358728256. Its totient is φ = 79364512512.

The previous prime is 211142212153. The next prime is 211142212271. The reversal of 211142212210 is 12212241112.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1801459 + ... + 1915081.

It is an arithmetic number, because the mean of its divisors is an integer number (8424140172).

Almost surely, 2^211142212210 is an apocalyptic number.

211142212210 is a deficient number, since it is larger than the sum of its proper divisors (193216516046).

211142212210 is a wasteful number, since it uses less digits than its factorization.

211142212210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114307 (or 114290 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 211142212210 its reverse (12212241112), we get a palindrome (223354453322).

The spelling of 211142212210 in words is "two hundred eleven billion, one hundred forty-two million, two hundred twelve thousand, two hundred ten".