212111212011110 has 32 divisors (see below), whose sum is σ = 382561701604992. Its totient is φ = 84675334901760.

The previous prime is 212111212011079. The next prime is 212111212011131. The reversal of 212111212011110 is 11110212111212.

It is a congruent number.

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, 17321075 + ... + 26911745.

It is an arithmetic number, because the mean of its divisors is an integer number (11955053175156).

Almost surely, 2^{212111212011110} is an apocalyptic number.

212111212011110 is a deficient number, since it is larger than the sum of its proper divisors (170450489593882).

212111212011110 is a wasteful number, since it uses less digits than its factorization.

212111212011110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9595088.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 212111212011110 its reverse (11110212111212), we get a palindrome (223221424122322).

The spelling of 212111212011110 in words is "two hundred twelve trillion, one hundred eleven billion, two hundred twelve million, eleven thousand, one hundred ten".