10201023221 has 8 divisors (see below), whose sum is σ = 10836434400. Its totient is φ = 9575463600.

The previous prime is 10201023211. The next prime is 10201023251. The reversal of 10201023221 is 12232010201.

It is a happy number.

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-10201023221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10201023196 and 10201023205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10201023211) 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, 2460755 + ... + 2464896.

It is an arithmetic number, because the mean of its divisors is an integer number (1354554300).

Almost surely, 2^10201023221 is an apocalyptic number.

It is an amenable number.

10201023221 is a deficient number, since it is larger than the sum of its proper divisors (635411179).

10201023221 is a wasteful number, since it uses less digits than its factorization.

10201023221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4925779.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 10201023221 its reverse (12232010201), we get a palindrome (22433033422).

The spelling of 10201023221 in words is "ten billion, two hundred one million, twenty-three thousand, two hundred twenty-one".