1013211001 has 4 divisors (see below), whose sum is σ = 1105321104. Its totient is φ = 921100900.

The previous prime is 1013210993. The next prime is 1013211011. The reversal of 1013211001 is 1001123101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1013211001 - 2³ = 1013210993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1013211011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46055035 + ... + 46055056.

It is an arithmetic number, because the mean of its divisors is an integer number (276330276).

Almost surely, 2^1013211001 is an apocalyptic number.

1013211001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1013211001 is a deficient number, since it is larger than the sum of its proper divisors (92110103).

1013211001 is an equidigital number, since it uses as much as digits as its factorization.

1013211001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92110102.

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 1013211001 is about 31830.9754955766. The cubic root of 1013211001 is about 1004.3844158040.

Adding to 1013211001 its reverse (1001123101), we get a palindrome (2014334102).

The spelling of 1013211001 in words is "one billion, thirteen million, two hundred eleven thousand, one".