10212111010 has 16 divisors (see below), whose sum is σ = 18563799672. Its totient is φ = 4044400000.

The previous prime is 10212110977. The next prime is 10212111053. The reversal of 10212111010 is 1011121201.

It can be written as a sum of positive squares in 4 ways, for example, as 9908410681 + 303700329 = 99541^2 + 17427^2 .

It is a super-2 number, since 2×10212111010² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5054491 + ... + 5056510.

Almost surely, 2^10212111010 is an apocalyptic number.

10212111010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10212111010 is a deficient number, since it is larger than the sum of its proper divisors (8351688662).

10212111010 is a wasteful number, since it uses less digits than its factorization.

10212111010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10111109.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 10212111010 its reverse (1011121201), we get a palindrome (11223232211).

The spelling of 10212111010 in words is "ten billion, two hundred twelve million, one hundred eleven thousand, ten".