211311121010 has 32 divisors (see below), whose sum is σ = 414978386112. Its totient is φ = 76832966080.

The previous prime is 211311121009. The next prime is 211311121019. The reversal of 211311121010 is 10121113112.

It is not an unprimeable number, because it can be changed into a prime (211311121019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1119497 + ... + 1294563.

It is an arithmetic number, because the mean of its divisors is an integer number (12968074566).

Almost surely, 2^211311121010 is an apocalyptic number.

211311121010 is a deficient number, since it is larger than the sum of its proper divisors (203667265102).

211311121010 is a wasteful number, since it uses less digits than its factorization.

211311121010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186058.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 211311121010 its reverse (10121113112), we get a palindrome (221432234122).

The spelling of 211311121010 in words is "two hundred eleven billion, three hundred eleven million, one hundred twenty-one thousand, ten".