10111012221201 has 16 divisors (see below), whose sum is σ = 13915993253184. Its totient is φ = 6525202549824.

The previous prime is 10111012221187. The next prime is 10111012221281. The reversal of 10111012221201 is 10212221011101.

It is a happy number.

It is not a de Polignac number, because 10111012221201 - 2⁵ = 10111012221169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10111012221281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 231171535 + ... + 231215268.

It is an arithmetic number, because the mean of its divisors is an integer number (869749578324).

Almost surely, 2^{10111012221201} is an apocalyptic number.

It is an amenable number.

10111012221201 is a deficient number, since it is larger than the sum of its proper divisors (3804981031983).

10111012221201 is a wasteful number, since it uses less digits than its factorization.

10111012221201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462387040.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 10111012221201 its reverse (10212221011101), we get a palindrome (20323233232302).

The spelling of 10111012221201 in words is "ten trillion, one hundred eleven billion, twelve million, two hundred twenty-one thousand, two hundred one".