10213130722 has 4 divisors (see below), whose sum is σ = 15319696086. Its totient is φ = 5106565360.

The previous prime is 10213130717. The next prime is 10213130737. The reversal of 10213130722 is 22703131201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22703131201 = 31 ⋅732359071.

It can be written as a sum of positive squares in only one way, i.e., 9716242041 + 496888681 = 98571^2 + 22291^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10213130693 and 10213130702.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2553282679 + ... + 2553282682.

Almost surely, 2^10213130722 is an apocalyptic number.

10213130722 is a deficient number, since it is larger than the sum of its proper divisors (5106565364).

10213130722 is an equidigital number, since it uses as much as digits as its factorization.

10213130722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5106565363.

The product of its (nonzero) digits is 504, while the sum is 22.

Adding to 10213130722 its reverse (22703131201), we get a palindrome (32916261923).

The spelling of 10213130722 in words is "ten billion, two hundred thirteen million, one hundred thirty thousand, seven hundred twenty-two".