222021111002101 has 2 divisors, whose sum is σ = 222021111002102. Its totient is φ = 222021111002100.

The previous prime is 222021111001999. The next prime is 222021111002113. The reversal of 222021111002101 is 101200111120222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 218165484221476 + 3855626780625 = 14770426^2 + 1963575^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222021111002101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222021411002101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111010555501050 + 111010555501051.

It is an arithmetic number, because the mean of its divisors is an integer number (111010555501051).

Almost surely, 2^{222021111002101} is an apocalyptic number.

It is an amenable number.

222021111002101 is a deficient number, since it is larger than the sum of its proper divisors (1).

222021111002101 is an equidigital number, since it uses as much as digits as its factorization.

222021111002101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 222021111002101 its reverse (101200111120222), we get a palindrome (323221222122323).

The spelling of 222021111002101 in words is "two hundred twenty-two trillion, twenty-one billion, one hundred eleven million, two thousand, one hundred one".