222201121011127 has 2 divisors, whose sum is σ = 222201121011128. Its totient is φ = 222201121011126.

The previous prime is 222201121011101. The next prime is 222201121011139. The reversal of 222201121011127 is 721110121102222.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 222201121011127 - 2¹⁵ = 222201120978359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222201121012127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111100560505563 + 111100560505564.

It is an arithmetic number, because the mean of its divisors is an integer number (111100560505564).

Almost surely, 2^{222201121011127} is an apocalyptic number.

222201121011127 is a deficient number, since it is larger than the sum of its proper divisors (1).

222201121011127 is an equidigital number, since it uses as much as digits as its factorization.

222201121011127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 25.

Adding to 222201121011127 its reverse (721110121102222), we get a palindrome (943311242113349).

The spelling of 222201121011127 in words is "two hundred twenty-two trillion, two hundred one billion, one hundred twenty-one million, eleven thousand, one hundred twenty-seven".