211142340010 has 32 divisors (see below), whose sum is σ = 446089150080. Its totient is φ = 70435127232.

The previous prime is 211142340007. The next prime is 211142340023. The reversal of 211142340010 is 10043241112.

It is a self number, because there is not a number n which added to its sum of digits gives 211142340010.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40758480 + ... + 40763659.

It is an arithmetic number, because the mean of its divisors is an integer number (13940285940).

Almost surely, 2^211142340010 is an apocalyptic number.

211142340010 is an abundant number, since it is smaller than the sum of its proper divisors (234946810070).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211142340010 is a wasteful number, since it uses less digits than its factorization.

211142340010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81522190.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 211142340010 its reverse (10043241112), we get a palindrome (221185581122).

The spelling of 211142340010 in words is "two hundred eleven billion, one hundred forty-two million, three hundred forty thousand, ten".