212101122221114 has 128 divisors (see below), whose sum is σ = 419016961198080. Its totient is φ = 78334725888000.

The previous prime is 212101122221101. The next prime is 212101122221137. The reversal of 212101122221114 is 411122221101212.

It is a self number, because there is not a number n which added to its sum of digits gives 212101122221114.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14492189 + ... + 25183839.

It is an arithmetic number, because the mean of its divisors is an integer number (3273570009360).

Almost surely, 2^{212101122221114} is an apocalyptic number.

212101122221114 is a deficient number, since it is larger than the sum of its proper divisors (206915838976966).

212101122221114 is a wasteful number, since it uses less digits than its factorization.

212101122221114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10691844.

The product of its (nonzero) digits is 256, while the sum is 23.

Adding to 212101122221114 its reverse (411122221101212), we get a palindrome (623223343322326).

The spelling of 212101122221114 in words is "two hundred twelve trillion, one hundred one billion, one hundred twenty-two million, two hundred twenty-one thousand, one hundred fourteen".