2101153 has 4 divisors (see below), whose sum is σ = 2211760. Its totient is φ = 1990548.

The previous prime is 2101139. The next prime is 2101157. The reversal of 2101153 is 3511012.

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 2101153 - 2²¹ = 4001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2101157) 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, 55275 + ... + 55312.

It is an arithmetic number, because the mean of its divisors is an integer number (552940).

2^2101153 is an apocalyptic number.

It is an amenable number.

2101153 is a deficient number, since it is larger than the sum of its proper divisors (110607).

2101153 is a wasteful number, since it uses less digits than its factorization.

2101153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110606.

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 2101153 is about 1449.5354428230. The cubic root of 2101153 is about 128.0813488422.

Adding to 2101153 its reverse (3511012), we get a palindrome (5612165).

The spelling of 2101153 in words is "two million, one hundred one thousand, one hundred fifty-three".