21960103 has 8 divisors (see below), whose sum is σ = 23990400. Its totient is φ = 19935480.

The previous prime is 21960091. The next prime is 21960131. The reversal of 21960103 is 30106912.

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

It is a cyclic number.

It is not a de Polignac number, because 21960103 - 2⁹ = 21959591 is a prime.

It is a super-2 number, since 2×21960103² = 964492247541218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21960503) 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, 14676 + ... + 16102.

It is an arithmetic number, because the mean of its divisors is an integer number (2998800).

Almost surely, 2^21960103 is an apocalyptic number.

21960103 is a deficient number, since it is larger than the sum of its proper divisors (2030297).

21960103 is a wasteful number, since it uses less digits than its factorization.

21960103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2837.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 21960103 is about 4686.1607953633. The cubic root of 21960103 is about 280.0344472925.

The spelling of 21960103 in words is "twenty-one million, nine hundred sixty thousand, one hundred three".