10201100021 has 8 divisors (see below), whose sum is σ = 11662875840. Its totient is φ = 8740443168.

The previous prime is 10201100009. The next prime is 10201100023. The reversal of 10201100021 is 12000110201.

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 10201100021 - 2¹⁴ = 10201083637 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10201099981 and 10201100008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10201100023) 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, 260111 + ... + 296748.

It is an arithmetic number, because the mean of its divisors is an integer number (1457859480).

Almost surely, 2^10201100021 is an apocalyptic number.

It is an amenable number.

10201100021 is a deficient number, since it is larger than the sum of its proper divisors (1461775819).

10201100021 is an equidigital number, since it uses as much as digits as its factorization.

10201100021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559483.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 10201100021 its reverse (12000110201), we get a palindrome (22201210222).

The spelling of 10201100021 in words is "ten billion, two hundred one million, one hundred thousand, twenty-one".