1002101211 has 12 divisors (see below), whose sum is σ = 1523662920. Its totient is φ = 632905920.

The previous prime is 1002101161. The next prime is 1002101239. The reversal of 1002101211 is 1121012001.

It is a happy number.

It is not a de Polignac number, because 1002101211 - 2¹⁷ = 1001970139 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 = 1002101193 and 1002101202.

It is not an unprimeable number, because it can be changed into a prime (1002101011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2929950 + ... + 2930291.

It is an arithmetic number, because the mean of its divisors is an integer number (126971910).

Almost surely, 2^1002101211 is an apocalyptic number.

1002101211 is a deficient number, since it is larger than the sum of its proper divisors (521561709).

1002101211 is a wasteful number, since it uses less digits than its factorization.

1002101211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5860266 (or 5860263 counting only the distinct ones).

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

The square root of 1002101211 is about 31655.9822308517. The cubic root of 1002101211 is about 1000.6999136732.

Adding to 1002101211 its reverse (1121012001), we get a palindrome (2123113212).

The spelling of 1002101211 in words is "one billion, two million, one hundred one thousand, two hundred eleven".