222201121011101 has 2 divisors, whose sum is σ = 222201121011102. Its totient is φ = 222201121011100.

The previous prime is 222201121011043. The next prime is 222201121011127. The reversal of 222201121011101 is 101110121102222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 185306418052900 + 36894702958201 = 13612730^2 + 6074101^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222201121011101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222201121011101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222201121611101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111100560505550 + 111100560505551.

It is an arithmetic number, because the mean of its divisors is an integer number (111100560505551).

Almost surely, 2^{222201121011101} is an apocalyptic number.

It is an amenable number.

222201121011101 is a deficient number, since it is larger than the sum of its proper divisors (1).

222201121011101 is an equidigital number, since it uses as much as digits as its factorization.

222201121011101 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 17.

Adding to 222201121011101 its reverse (101110121102222), we get a palindrome (323311242113323).

The spelling of 222201121011101 in words is "two hundred twenty-two trillion, two hundred one billion, one hundred twenty-one million, eleven thousand, one hundred one".