10221020313 has 32 divisors (see below), whose sum is σ = 16525762560. Its totient is φ = 5485451520.

The previous prime is 10221020311. The next prime is 10221020353. The reversal of 10221020313 is 31302012201.

It is not a de Polignac number, because 10221020313 - 2¹ = 10221020311 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10221020292 and 10221020301.

It is not an unprimeable number, because it can be changed into a prime (10221020311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 141118 + ... + 200888.

It is an arithmetic number, because the mean of its divisors is an integer number (516430080).

Almost surely, 2^10221020313 is an apocalyptic number.

It is an amenable number.

10221020313 is a deficient number, since it is larger than the sum of its proper divisors (6304742247).

10221020313 is a wasteful number, since it uses less digits than its factorization.

10221020313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60277.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 10221020313 its reverse (31302012201), we get a palindrome (41523032514).

The spelling of 10221020313 in words is "ten billion, two hundred twenty-one million, twenty thousand, three hundred thirteen".