2101011 has 8 divisors (see below), whose sum is σ = 3056064. Its totient is φ = 1273320.

The previous prime is 2101007. The next prime is 2101019. The reversal of 2101011 is 1101012.

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

It is not a de Polignac number, because 2101011 - 2² = 2101007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2101019) 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, 31801 + ... + 31866.

It is an arithmetic number, because the mean of its divisors is an integer number (382008).

2^2101011 is an apocalyptic number.

2101011 is a deficient number, since it is larger than the sum of its proper divisors (955053).

2101011 is a wasteful number, since it uses less digits than its factorization.

2101011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63681.

The product of its (nonzero) digits is 2, while the sum is 6.

The square root of 2101011 is about 1449.4864607853. The cubic root of 2101011 is about 128.0784634484.

Adding to 2101011 its reverse (1101012), we get a palindrome (3202023).

Subtracting from 2101011 its reverse (1101012), we obtain a palindrome (999999).

Multiplying 2101011 by its reverse (1101012), we get a palindrome (2313238323132).

It can be divided in two parts, 210 and 1011, that added together give a palindrome (1221).

The spelling of 2101011 in words is "two million, one hundred one thousand, eleven".