10521213130 has 32 divisors (see below), whose sum is σ = 20060338176. Its totient is φ = 3959318784.

The previous prime is 10521213103. The next prime is 10521213149. The reversal of 10521213130 is 3131212501.

It is a super-2 number, since 2×10521213130² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10521213098 and 10521213107.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 459207 + ... + 481573.

It is an arithmetic number, because the mean of its divisors is an integer number (626885568).

Almost surely, 2^10521213130 is an apocalyptic number.

10521213130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10521213130 is a deficient number, since it is larger than the sum of its proper divisors (9539125046).

10521213130 is a wasteful number, since it uses less digits than its factorization.

10521213130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25158.

The product of its (nonzero) digits is 180, while the sum is 19.

Adding to 10521213130 its reverse (3131212501), we get a palindrome (13652425631).

The spelling of 10521213130 in words is "ten billion, five hundred twenty-one million, two hundred thirteen thousand, one hundred thirty".