1000002201111 has 24 divisors (see below), whose sum is σ = 1451866291200. Its totient is φ = 663244875216.

The previous prime is 1000002201103. The next prime is 1000002201137. The reversal of 1000002201111 is 1111022000001.

It is a happy number.

1000002201111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1000002201111 - 2³ = 1000002201103 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1000002201093 and 1000002201102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000002201101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19759906 + ... + 19810448.

It is an arithmetic number, because the mean of its divisors is an integer number (60494428800).

Almost surely, 2^{1000002201111} is an apocalyptic number.

1000002201111 is a deficient number, since it is larger than the sum of its proper divisors (451864090089).

1000002201111 is a wasteful number, since it uses less digits than its factorization.

1000002201111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61795 (or 61792 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 1000002201111 its reverse (1111022000001), we get a palindrome (2111024201112).

The spelling of 1000002201111 in words is "one trillion, two million, two hundred one thousand, one hundred eleven".