11022110021947 has 2 divisors, whose sum is σ = 11022110021948. Its totient is φ = 11022110021946.

The previous prime is 11022110021899. The next prime is 11022110022013. The reversal of 11022110021947 is 74912001122011.

11022110021947 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11022110021947 - 2²⁷ = 11021975804219 is a prime.

It is not a weakly prime, because it can be changed into another prime (11022110021647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5511055010973 + 5511055010974.

It is an arithmetic number, because the mean of its divisors is an integer number (5511055010974).

Almost surely, 2^{11022110021947} is an apocalyptic number.

11022110021947 is a deficient number, since it is larger than the sum of its proper divisors (1).

11022110021947 is an equidigital number, since it uses as much as digits as its factorization.

11022110021947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 31.

Adding to 11022110021947 its reverse (74912001122011), we get a palindrome (85934111143958).

The spelling of 11022110021947 in words is "eleven trillion, twenty-two billion, one hundred ten million, twenty-one thousand, nine hundred forty-seven".