2102211001 has 4 divisors (see below), whose sum is σ = 2293321104. Its totient is φ = 1911100900.

The previous prime is 2102210993. The next prime is 2102211011. The reversal of 2102211001 is 1001122012.

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 2102211001 - 2³ = 2102210993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2102211011) 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, 95555035 + ... + 95555056.

It is an arithmetic number, because the mean of its divisors is an integer number (573330276).

Almost surely, 2^2102211001 is an apocalyptic number.

It is an amenable number.

2102211001 is a deficient number, since it is larger than the sum of its proper divisors (191110103).

2102211001 is a wasteful number, since it uses less digits than its factorization.

2102211001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191110102.

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

The square root of 2102211001 is about 45849.8746017914. The cubic root of 2102211001 is about 1281.0284298639.

Adding to 2102211001 its reverse (1001122012), we get a palindrome (3103333013).

It can be divided in two parts, 21022 and 11001, that added together give a palindrome (32023).

The spelling of 2102211001 in words is "two billion, one hundred two million, two hundred eleven thousand, one".