1002201220111 has 16 divisors (see below), whose sum is σ = 1234413734400. Its totient is φ = 792349145568.

The previous prime is 1002201220081. The next prime is 1002201220151. The reversal of 1002201220111 is 1110221022001.

1002201220111 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 1002201220111 - 2¹¹ = 1002201218063 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 1002201220091 and 1002201220100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002201220151) 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, 4054801 + ... + 4294858.

It is an arithmetic number, because the mean of its divisors is an integer number (77150858400).

Almost surely, 2^{1002201220111} is an apocalyptic number.

1002201220111 is a deficient number, since it is larger than the sum of its proper divisors (232212514289).

1002201220111 is a wasteful number, since it uses less digits than its factorization.

1002201220111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8350998.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1002201220111 its reverse (1110221022001), we get a palindrome (2112422242112).

The spelling of 1002201220111 in words is "one trillion, two billion, two hundred one million, two hundred twenty thousand, one hundred eleven".