202211110081 has 2 divisors, whose sum is σ = 202211110082. Its totient is φ = 202211110080.

The previous prime is 202211110067. The next prime is 202211110097. The reversal of 202211110081 is 180011112202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 198751905856 + 3459204225 = 445816^2 + 58815^2 .

It is a cyclic number.

It is not a de Polignac number, because 202211110081 - 2¹³ = 202211101889 is a prime.

It is a super-2 number, since 2×202211110081² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (202211110051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101105555040 + 101105555041.

It is an arithmetic number, because the mean of its divisors is an integer number (101105555041).

Almost surely, 2^202211110081 is an apocalyptic number.

It is an amenable number.

202211110081 is a deficient number, since it is larger than the sum of its proper divisors (1).

202211110081 is an equidigital number, since it uses as much as digits as its factorization.

202211110081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 202211110081 its reverse (180011112202), we get a palindrome (382222222283).

The spelling of 202211110081 in words is "two hundred two billion, two hundred eleven million, one hundred ten thousand, eighty-one".