212120201102111 has 8 divisors (see below), whose sum is σ = 213240478568448. Its totient is φ = 211000024683000.

The previous prime is 212120201101993. The next prime is 212120201102123. The reversal of 212120201102111 is 111201102021212.

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

It is a cyclic number.

It is not a de Polignac number, because 212120201102111 - 2¹⁰ = 212120201101087 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212120201102111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212120201101111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21050435 + ... + 29450996.

It is an arithmetic number, because the mean of its divisors is an integer number (26655059821056).

Almost surely, 2^{212120201102111} is an apocalyptic number.

212120201102111 is a deficient number, since it is larger than the sum of its proper divisors (1120277466337).

212120201102111 is a wasteful number, since it uses less digits than its factorization.

212120201102111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50523613.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 212120201102111 its reverse (111201102021212), we get a palindrome (323321303123323).

The spelling of 212120201102111 in words is "two hundred twelve trillion, one hundred twenty billion, two hundred one million, one hundred two thousand, one hundred eleven".