212011121110 has 16 divisors (see below), whose sum is σ = 381645102816. Its totient is φ = 84798874048.

The previous prime is 212011121093. The next prime is 212011121143. The reversal of 212011121110 is 11121110212.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 535279 + ... + 842938.

It is an arithmetic number, because the mean of its divisors is an integer number (23852818926).

Almost surely, 2^212011121110 is an apocalyptic number.

212011121110 is a deficient number, since it is larger than the sum of its proper divisors (169633981706).

212011121110 is a wasteful number, since it uses less digits than its factorization.

212011121110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1393607.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 212011121110 its reverse (11121110212), we get a palindrome (223132231322).

The spelling of 212011121110 in words is "two hundred twelve billion, eleven million, one hundred twenty-one thousand, one hundred ten".