10221212001113 has 4 divisors (see below), whose sum is σ = 10225501223808. Its totient is φ = 10216922778420.

The previous prime is 10221212001109. The next prime is 10221212001127. The reversal of 10221212001113 is 31110021212201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10221212001113 - 2² = 10221212001109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10221212001091 and 10221212001100.

It is not an unprimeable number, because it can be changed into a prime (10221212001313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2144607773 + ... + 2144612538.

It is an arithmetic number, because the mean of its divisors is an integer number (2556375305952).

Almost surely, 2^{10221212001113} is an apocalyptic number.

It is an amenable number.

10221212001113 is a deficient number, since it is larger than the sum of its proper divisors (4289222695).

10221212001113 is an equidigital number, since it uses as much as digits as its factorization.

10221212001113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4289222694.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 10221212001113 its reverse (31110021212201), we get a palindrome (41331233213314).

The spelling of 10221212001113 in words is "ten trillion, two hundred twenty-one billion, two hundred twelve million, one thousand, one hundred thirteen".