211220102221043 has 2 divisors, whose sum is σ = 211220102221044. Its totient is φ = 211220102221042.

The previous prime is 211220102220997. The next prime is 211220102221057. The reversal of 211220102221043 is 340122201022112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211220102221043 - 2¹² = 211220102216947 is a prime.

It is a super-2 number, since 2×211220102221043² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (211220102211043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105610051110521 + 105610051110522.

It is an arithmetic number, because the mean of its divisors is an integer number (105610051110522).

Almost surely, 2^{211220102221043} is an apocalyptic number.

211220102221043 is a deficient number, since it is larger than the sum of its proper divisors (1).

211220102221043 is an equidigital number, since it uses as much as digits as its factorization.

211220102221043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 211220102221043 its reverse (340122201022112), we get a palindrome (551342303243155).

The spelling of 211220102221043 in words is "two hundred eleven trillion, two hundred twenty billion, one hundred two million, two hundred twenty-one thousand, forty-three".