2101235541 has 8 divisors (see below), whose sum is σ = 2923458240. Its totient is φ = 1339918272.

The previous prime is 2101235537. The next prime is 2101235561. The reversal of 2101235541 is 1455321012.

It is a happy number.

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

It is not a de Polignac number, because 2101235541 - 2² = 2101235537 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101235501) 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, 15226276 + ... + 15226413.

It is an arithmetic number, because the mean of its divisors is an integer number (365432280).

Almost surely, 2^2101235541 is an apocalyptic number.

It is an amenable number.

2101235541 is a deficient number, since it is larger than the sum of its proper divisors (822222699).

2101235541 is a wasteful number, since it uses less digits than its factorization.

2101235541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30452715.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 2101235541 is about 45839.2358247822. The cubic root of 2101235541 is about 1280.8302598866.

Adding to 2101235541 its reverse (1455321012), we get a palindrome (3556556553).

The spelling of 2101235541 in words is "two billion, one hundred one million, two hundred thirty-five thousand, five hundred forty-one".