10012212111321 has 48 divisors (see below), whose sum is σ = 16980103920000. Its totient is φ = 5564896452864.

The previous prime is 10012212111269. The next prime is 10012212111379. The reversal of 10012212111321 is 12311121221001.

It is a happy number.

10012212111321 is a `hidden beast` number, since 10 + 0 + 1 + 221 + 2 + 111 + 321 = 666.

10012212111321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10012212111321 - 2¹⁰ = 10012212110297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10012212111294 and 10012212111303.

It is not an unprimeable number, because it can be changed into a prime (10012212111221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6810930 + ... + 8149428.

It is an arithmetic number, because the mean of its divisors is an integer number (353752165000).

Almost surely, 2^{10012212111321} is an apocalyptic number.

It is an amenable number.

10012212111321 is a deficient number, since it is larger than the sum of its proper divisors (6967891808679).

10012212111321 is a wasteful number, since it uses less digits than its factorization.

10012212111321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1341758 (or 1341755 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 10012212111321 its reverse (12311121221001), we get a palindrome (22323333332322).

The spelling of 10012212111321 in words is "ten trillion, twelve billion, two hundred twelve million, one hundred eleven thousand, three hundred twenty-one".