220102211101 has 2 divisors, whose sum is σ = 220102211102. Its totient is φ = 220102211100.

The previous prime is 220102211099. The next prime is 220102211111. The reversal of 220102211101 is 101112201022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 220101722500 + 488601 = 469150^2 + 699^2 .

It is a cyclic number.

It is not a de Polignac number, because 220102211101 - 2¹ = 220102211099 is a prime.

Together with 220102211099, 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 (220102211111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110051105550 + 110051105551.

It is an arithmetic number, because the mean of its divisors is an integer number (110051105551).

Almost surely, 2^220102211101 is an apocalyptic number.

It is an amenable number.

220102211101 is a deficient number, since it is larger than the sum of its proper divisors (1).

220102211101 is an equidigital number, since it uses as much as digits as its factorization.

220102211101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 220102211101 its reverse (101112201022), we get a palindrome (321214412123).

The spelling of 220102211101 in words is "two hundred twenty billion, one hundred two million, two hundred eleven thousand, one hundred one".