1002202221111 has 128 divisors (see below), whose sum is σ = 1707006099456. Its totient is φ = 508987100160.

The previous prime is 1002202221109. The next prime is 1002202221121. The reversal of 1002202221111 is 1111222022001.

It is not a de Polignac number, because 1002202221111 - 2¹ = 1002202221109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002202221121) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 562086726 + ... + 562088508.

It is an arithmetic number, because the mean of its divisors is an integer number (13335985152).

Almost surely, 2^{1002202221111} is an apocalyptic number.

1002202221111 is a deficient number, since it is larger than the sum of its proper divisors (704803878345).

1002202221111 is a wasteful number, since it uses less digits than its factorization.

1002202221111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2541.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1002202221111 its reverse (1111222022001), we get a palindrome (2113424243112).

The spelling of 1002202221111 in words is "one trillion, two billion, two hundred two million, two hundred twenty-one thousand, one hundred eleven".