2141501100 has 36 divisors (see below), whose sum is σ = 6196077384. Its totient is φ = 571066880.

The previous prime is 2141501099. The next prime is 2141501113. The reversal of 2141501100 is 11051412.

It is a happy number.

It is a super-2 number, since 2×2141501100² = 9172053922602420000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2141501100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3568869 + ... + 3569468.

Almost surely, 2^2141501100 is an apocalyptic number.

2141501100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2141501100 is an abundant number, since it is smaller than the sum of its proper divisors (4054576284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2141501100 is a wasteful number, since it uses less digits than its factorization.

2141501100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7138354 (or 7138347 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 2141501100 is about 46276.3557337870. The cubic root of 2141501100 is about 1288.9599814080.

Adding to 2141501100 its reverse (11051412), we get a palindrome (2152552512).

The spelling of 2141501100 in words is "two billion, one hundred forty-one million, five hundred one thousand, one hundred".