212020120220111 has 8 divisors (see below), whose sum is σ = 245031278585760. Its totient is φ = 179689604295168.

The previous prime is 212020120220099. The next prime is 212020120220159. The reversal of 212020120220111 is 111022021020212.

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 212020120220111 - 2⁶ = 212020120220047 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 212020120220111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212020120220011) 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, 170160609506 + ... + 170160610751.

It is an arithmetic number, because the mean of its divisors is an integer number (30628909823220).

Almost surely, 2^{212020120220111} is an apocalyptic number.

212020120220111 is a deficient number, since it is larger than the sum of its proper divisors (33011158365649).

212020120220111 is an equidigital number, since it uses as much as digits as its factorization.

212020120220111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340321220353.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 212020120220111 its reverse (111022021020212), we get a palindrome (323042141240323).

The spelling of 212020120220111 in words is "two hundred twelve trillion, twenty billion, one hundred twenty million, two hundred twenty thousand, one hundred eleven".