10021112210 has 16 divisors (see below), whose sum is σ = 18039404376. Its totient is φ = 4008133248.

The previous prime is 10021112207. The next prime is 10021112219. The reversal of 10021112210 is 1221112001.

It can be written as a sum of positive squares in 4 ways, for example, as 8712915649 + 1308196561 = 93343^2 + 36169^2 .

It is a super-2 number, since 2×10021112210² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10021112191 and 10021112200.

It is not an unprimeable number, because it can be changed into a prime (10021112219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131702 + ... + 193358.

Almost surely, 2^10021112210 is an apocalyptic number.

10021112210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10021112210 is a deficient number, since it is larger than the sum of its proper divisors (8018292166).

10021112210 is a wasteful number, since it uses less digits than its factorization.

10021112210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77917.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 10021112210 its reverse (1221112001), we get a palindrome (11242224211).

The spelling of 10021112210 in words is "ten billion, twenty-one million, one hundred twelve thousand, two hundred ten".