10021421101 has 8 divisors (see below), whose sum is σ = 10214675424. Its totient is φ = 9828321360.

The previous prime is 10021421071. The next prime is 10021421129. The reversal of 10021421101 is 10112412001.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10021421101 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 (10021421131) 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, 96790 + ... + 171496.

It is an arithmetic number, because the mean of its divisors is an integer number (1276834428).

Almost surely, 2^10021421101 is an apocalyptic number.

It is an amenable number.

10021421101 is a deficient number, since it is larger than the sum of its proper divisors (193254323).

10021421101 is an equidigital number, since it uses as much as digits as its factorization.

10021421101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77291.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10021421101 its reverse (10112412001), we get a palindrome (20133833102).

The spelling of 10021421101 in words is "ten billion, twenty-one million, four hundred twenty-one thousand, one hundred one".