10010112201221 has 4 divisors (see below), whose sum is σ = 10920122401344. Its totient is φ = 9100102001100.

The previous prime is 10010112201217. The next prime is 10010112201277. The reversal of 10010112201221 is 12210221101001.

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 not a de Polignac number, because 10010112201221 - 2² = 10010112201217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10010112201196 and 10010112201205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10010112201821) 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, 455005100045 + ... + 455005100066.

It is an arithmetic number, because the mean of its divisors is an integer number (2730030600336).

Almost surely, 2^{10010112201221} is an apocalyptic number.

10010112201221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10010112201221 is a deficient number, since it is larger than the sum of its proper divisors (910010200123).

10010112201221 is an equidigital number, since it uses as much as digits as its factorization.

10010112201221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 910010200122.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 10010112201221 its reverse (12210221101001), we get a palindrome (22220333302222).

The spelling of 10010112201221 in words is "ten trillion, ten billion, one hundred twelve million, two hundred one thousand, two hundred twenty-one".