2140101 has 12 divisors (see below), whose sum is σ = 3206112. Its totient is φ = 1426572.

The previous prime is 2140091. The next prime is 2140109. The reversal of 2140101 is 1010412.

It is a happy number.

It is not a de Polignac number, because 2140101 - 2⁵ = 2140069 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

2140101 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4161 + ... + 4646.

It is an arithmetic number, because the mean of its divisors is an integer number (267176).

2^2140101 is an apocalyptic number.

It is an amenable number.

2140101 is a deficient number, since it is larger than the sum of its proper divisors (1066011).

2140101 is an frugal number, since it uses more digits than its factorization.

2140101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8822 (or 8810 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 2140101 is about 1462.9084045148. The cubic root of 2140101 is about 128.8679015515.

Adding to 2140101 its reverse (1010412), we get a palindrome (3150513).

The spelling of 2140101 in words is "two million, one hundred forty thousand, one hundred one".