10101322021 has 48 divisors (see below), whose sum is σ = 12926615040. Its totient is φ = 7833853440.

The previous prime is 10101322009. The next prime is 10101322037. The reversal of 10101322021 is 12022310101.

It is not a de Polignac number, because 10101322021 - 2¹⁷ = 10101190949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10101321992 and 10101322010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10101362021) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6545776 + ... + 6547318.

It is an arithmetic number, because the mean of its divisors is an integer number (269304480).

Almost surely, 2^10101322021 is an apocalyptic number.

It is an amenable number.

10101322021 is a deficient number, since it is larger than the sum of its proper divisors (2825293019).

10101322021 is a wasteful number, since it uses less digits than its factorization.

10101322021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1874 (or 1867 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 10101322021 its reverse (12022310101), we get a palindrome (22123632122).

The spelling of 10101322021 in words is "ten billion, one hundred one million, three hundred twenty-two thousand, twenty-one".