212022201101 has 2 divisors, whose sum is σ = 212022201102. Its totient is φ = 212022201100.

The previous prime is 212022201073. The next prime is 212022201103. The reversal of 212022201101 is 101102220212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 196137379876 + 15884821225 = 442874^2 + 126035^2 .

It is a cyclic number.

It is not a de Polignac number, because 212022201101 - 2¹⁸ = 212021938957 is a prime.

It is a super-2 number, since 2×212022201101² (a number of 23 digits) contains 22 as substring.

Together with 212022201103, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212022201103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106011100550 + 106011100551.

It is an arithmetic number, because the mean of its divisors is an integer number (106011100551).

Almost surely, 2^212022201101 is an apocalyptic number.

It is an amenable number.

212022201101 is a deficient number, since it is larger than the sum of its proper divisors (1).

212022201101 is an equidigital number, since it uses as much as digits as its factorization.

212022201101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 212022201101 its reverse (101102220212), we get a palindrome (313124421313).

The spelling of 212022201101 in words is "two hundred twelve billion, twenty-two million, two hundred one thousand, one hundred one".