1002120211 has 16 divisors (see below), whose sum is σ = 1065600000. Its totient is φ = 939763296.

The previous prime is 1002120181. The next prime is 1002120227. The reversal of 1002120211 is 1120212001.

It is a cyclic number.

It is not a de Polignac number, because 1002120211 - 2⁵ = 1002120179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1002120271) 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, 1355680 + ... + 1356418.

It is an arithmetic number, because the mean of its divisors is an integer number (66600000).

Almost surely, 2^1002120211 is an apocalyptic number.

1002120211 is a deficient number, since it is larger than the sum of its proper divisors (63479789).

1002120211 is a wasteful number, since it uses less digits than its factorization.

1002120211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1386.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 1002120211 is about 31656.2823306844. The cubic root of 1002120211 is about 1000.7062381103.

Adding to 1002120211 its reverse (1120212001), we get a palindrome (2122332212).

The spelling of 1002120211 in words is "one billion, two million, one hundred twenty thousand, two hundred eleven".