221000133102011 has 2 divisors, whose sum is σ = 221000133102012. Its totient is φ = 221000133102010.

The previous prime is 221000133101981. The next prime is 221000133102131. The reversal of 221000133102011 is 110201331000122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 221000133102011 - 2²² = 221000128907707 is a prime.

It is a super-2 number, since 2×221000133102011² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (221000133102211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110500066551005 + 110500066551006.

It is an arithmetic number, because the mean of its divisors is an integer number (110500066551006).

Almost surely, 2^{221000133102011} is an apocalyptic number.

221000133102011 is a deficient number, since it is larger than the sum of its proper divisors (1).

221000133102011 is an equidigital number, since it uses as much as digits as its factorization.

221000133102011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 221000133102011 its reverse (110201331000122), we get a palindrome (331201464102133).

The spelling of 221000133102011 in words is "two hundred twenty-one trillion, one hundred thirty-three million, one hundred two thousand, eleven".