10120322021 has 8 divisors (see below), whose sum is σ = 10202490144. Its totient is φ = 10038465360.

The previous prime is 10120321933. The next prime is 10120322027. The reversal of 10120322021 is 12022302101.

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-10120322021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10120321987 and 10120322005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10120322027) 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, 12395 + ... + 142808.

It is an arithmetic number, because the mean of its divisors is an integer number (1275311268).

Almost surely, 2^10120322021 is an apocalyptic number.

It is an amenable number.

10120322021 is a deficient number, since it is larger than the sum of its proper divisors (82168123).

10120322021 is a wasteful number, since it uses less digits than its factorization.

10120322021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155731.

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

Adding to 10120322021 its reverse (12022302101), we get a palindrome (22142624122).

The spelling of 10120322021 in words is "ten billion, one hundred twenty million, three hundred twenty-two thousand, twenty-one".