10535221210 has 32 divisors (see below), whose sum is σ = 19647703440. Its totient is φ = 4062471168.

The previous prime is 10535221201. The next prime is 10535221223. The reversal of 10535221210 is 1212253501.

It can be written as a sum of positive squares in 8 ways, for example, as 1297512441 + 9237708769 = 36021^2 + 96113^2 .

It is a super-2 number, since 2×10535221210² (a number of 21 digits) contains 22 as substring.

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, 161554 + ... + 217186.

Almost surely, 2^10535221210 is an apocalyptic number.

10535221210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10535221210 is a deficient number, since it is larger than the sum of its proper divisors (9112482230).

10535221210 is a wasteful number, since it uses less digits than its factorization.

10535221210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56322.

The product of its (nonzero) digits is 600, while the sum is 22.

Adding to 10535221210 its reverse (1212253501), we get a palindrome (11747474711).

The spelling of 10535221210 in words is "ten billion, five hundred thirty-five million, two hundred twenty-one thousand, two hundred ten".