212021101121110 has 8 divisors (see below), whose sum is σ = 381637982018016. Its totient is φ = 84808440448440.

The previous prime is 212021101121101. The next prime is 212021101121111. The reversal of 212021101121110 is 11121101120212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212021101121111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10601055056046 + ... + 10601055056065.

It is an arithmetic number, because the mean of its divisors is an integer number (47704747752252).

Almost surely, 2^{212021101121110} is an apocalyptic number.

212021101121110 is a deficient number, since it is larger than the sum of its proper divisors (169616880896906).

212021101121110 is a wasteful number, since it uses less digits than its factorization.

212021101121110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21202110112118.

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

Adding to 212021101121110 its reverse (11121101120212), we get a palindrome (223142202241322).

The spelling of 212021101121110 in words is "two hundred twelve trillion, twenty-one billion, one hundred one million, one hundred twenty-one thousand, one hundred ten".