21045150101 has 8 divisors (see below), whose sum is σ = 22158047520. Its totient is φ = 19932778512.

The previous prime is 21045150083. The next prime is 21045150103. The reversal of 21045150101 is 10105154012.

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 21045150101 - 2³⁴ = 3865280917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21045150103) 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, 47930 + ... + 210683.

It is an arithmetic number, because the mean of its divisors is an integer number (2769755940).

Almost surely, 2^21045150101 is an apocalyptic number.

It is an amenable number.

21045150101 is a deficient number, since it is larger than the sum of its proper divisors (1112897419).

21045150101 is a wasteful number, since it uses less digits than its factorization.

21045150101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262915.

The product of its (nonzero) digits is 200, while the sum is 20.

The spelling of 21045150101 in words is "twenty-one billion, forty-five million, one hundred fifty thousand, one hundred one".