1022221012111 has 16 divisors (see below), whose sum is σ = 1136423334816. Its totient is φ = 913488500736.

The previous prime is 1022221012063. The next prime is 1022221012117. The reversal of 1022221012111 is 1112101222201.

1022221012111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 1022221012111 - 2⁷ = 1022221011983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022221012117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8028250 + ... + 8154583.

It is an arithmetic number, because the mean of its divisors is an integer number (71026458426).

Almost surely, 2^{1022221012111} is an apocalyptic number.

1022221012111 is a deficient number, since it is larger than the sum of its proper divisors (114202322705).

1022221012111 is a wasteful number, since it uses less digits than its factorization.

1022221012111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16183002.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1022221012111 its reverse (1112101222201), we get a palindrome (2134322234312).

The spelling of 1022221012111 in words is "one trillion, twenty-two billion, two hundred twenty-one million, twelve thousand, one hundred eleven".