1001142211 has 8 divisors (see below), whose sum is σ = 1024849584. Its totient is φ = 977454240.

The previous prime is 1001142209. The next prime is 1001142239. The reversal of 1001142211 is 1122411001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1001142211 - 2¹ = 1001142209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1001142191 and 1001142200.

It is not an unprimeable number, because it can be changed into a prime (1001142511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196881 + ... + 201901.

It is an arithmetic number, because the mean of its divisors is an integer number (128106198).

Almost surely, 2^1001142211 is an apocalyptic number.

1001142211 is a deficient number, since it is larger than the sum of its proper divisors (23707373).

1001142211 is an equidigital number, since it uses as much as digits as its factorization.

1001142211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9701.

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

The square root of 1001142211 is about 31640.8313892034. The cubic root of 1001142211 is about 1000.3805921313.

Adding to 1001142211 its reverse (1122411001), we get a palindrome (2123553212).

The spelling of 1001142211 in words is "one billion, one million, one hundred forty-two thousand, two hundred eleven".