10000021210112 has 22 divisors (see below), whose sum is σ = 19990276776558. Its totient is φ = 5000010604544.

The previous prime is 10000021210097. The next prime is 10000021210117. The reversal of 10000021210112 is 21101212000001.

It can be written as a sum of positive squares in only one way, i.e., 7733382562816 + 2266638647296 = 2780896^2 + 1505536^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10000021210093 and 10000021210102.

It is not an unprimeable number, because it can be changed into a prime (10000021210117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4882821833 + ... + 4882823880.

It is an arithmetic number, because the mean of its divisors is an integer number (908648944389).

Almost surely, 2^{10000021210112} is an apocalyptic number.

It is an amenable number.

10000021210112 is a deficient number, since it is larger than the sum of its proper divisors (9990255566446).

10000021210112 is an frugal number, since it uses more digits than its factorization.

10000021210112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9765645733 (or 9765645715 counting only the distinct ones).

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

Adding to 10000021210112 its reverse (21101212000001), we get a palindrome (31101233210113).

The spelling of 10000021210112 in words is "ten trillion, twenty-one million, two hundred ten thousand, one hundred twelve".