2101010011001 has 8 divisors (see below), whose sum is σ = 2371045780800. Its totient is φ = 1844146717840.

The previous prime is 2101010010937. The next prime is 2101010011003. The reversal of 2101010011001 is 1001100101012.

It is a happy number.

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 2101010011001 - 2⁶ = 2101010010937 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2101010011001.

It is not an unprimeable number, because it can be changed into a prime (2101010011003) 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, 3293118821 + ... + 3293119458.

It is an arithmetic number, because the mean of its divisors is an integer number (296380722600).

Almost surely, 2^{2101010011001} is an apocalyptic number.

It is an amenable number.

2101010011001 is a deficient number, since it is larger than the sum of its proper divisors (270035769799).

2101010011001 is a wasteful number, since it uses less digits than its factorization.

2101010011001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6586238319.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 2101010011001 its reverse (1001100101012), we get a palindrome (3102110112013).

The spelling of 2101010011001 in words is "two trillion, one hundred one billion, ten million, eleven thousand, one".