1002203231211 has 64 divisors (see below), whose sum is σ = 1831506109440. Its totient is φ = 527440792320.

The previous prime is 1002203231189. The next prime is 1002203231243. The reversal of 1002203231211 is 1121323022001.

1002203231211 is a `hidden beast` number, since 1 + 0 + 0 + 220 + 3 + 231 + 211 = 666.

It is not a de Polignac number, because 1002203231211 - 2⁵ = 1002203231179 is a prime.

It is a super-2 number, since 2×1002203231211² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1002203231311) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 628071 + ... + 1548831.

It is an arithmetic number, because the mean of its divisors is an integer number (28617282960).

Almost surely, 2^{1002203231211} is an apocalyptic number.

1002203231211 is a deficient number, since it is larger than the sum of its proper divisors (829302878229).

1002203231211 is a wasteful number, since it uses less digits than its factorization.

1002203231211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921233 (or 921227 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1002203231211 its reverse (1121323022001), we get a palindrome (2123526253212).

The spelling of 1002203231211 in words is "one trillion, two billion, two hundred three million, two hundred thirty-one thousand, two hundred eleven".