211220120101183 has 2 divisors, whose sum is σ = 211220120101184. Its totient is φ = 211220120101182.

The previous prime is 211220120101181. The next prime is 211220120101247. The reversal of 211220120101183 is 381101021022112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 211220120101183 - 2¹ = 211220120101181 is a prime.

It is a super-2 number, since 2×211220120101183² (a number of 29 digits) contains 22 as substring.

Together with 211220120101181, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211220120101181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105610060050591 + 105610060050592.

It is an arithmetic number, because the mean of its divisors is an integer number (105610060050592).

Almost surely, 2^{211220120101183} is an apocalyptic number.

211220120101183 is a deficient number, since it is larger than the sum of its proper divisors (1).

211220120101183 is an equidigital number, since it uses as much as digits as its factorization.

211220120101183 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 25.

Adding to 211220120101183 its reverse (381101021022112), we get a palindrome (592321141123295).

The spelling of 211220120101183 in words is "two hundred eleven trillion, two hundred twenty billion, one hundred twenty million, one hundred one thousand, one hundred eighty-three".