221011202021107 has 2 divisors, whose sum is σ = 221011202021108. Its totient is φ = 221011202021106.

The previous prime is 221011202021059. The next prime is 221011202021117. The reversal of 221011202021107 is 701120202110122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 221011202021107 - 2¹¹ = 221011202019059 is a prime.

It is not a weakly prime, because it can be changed into another prime (221011202021117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110505601010553 + 110505601010554.

It is an arithmetic number, because the mean of its divisors is an integer number (110505601010554).

Almost surely, 2^{221011202021107} is an apocalyptic number.

221011202021107 is a deficient number, since it is larger than the sum of its proper divisors (1).

221011202021107 is an equidigital number, since it uses as much as digits as its factorization.

221011202021107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 22.

Adding to 221011202021107 its reverse (701120202110122), we get a palindrome (922131404131229).

The spelling of 221011202021107 in words is "two hundred twenty-one trillion, eleven billion, two hundred two million, twenty-one thousand, one hundred seven".