10000201220111 has 4 divisors (see below), whose sum is σ = 10000554874800. Its totient is φ = 9999847565424.

The previous prime is 10000201220101. The next prime is 10000201220167. The reversal of 10000201220111 is 11102210200001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10000201220111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10000201220092 and 10000201220101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10000201220101) 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, 176784926 + ... + 176841483.

It is an arithmetic number, because the mean of its divisors is an integer number (2500138718700).

Almost surely, 2^{10000201220111} is an apocalyptic number.

10000201220111 is a deficient number, since it is larger than the sum of its proper divisors (353654689).

10000201220111 is an equidigital number, since it uses as much as digits as its factorization.

10000201220111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353654688.

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

Adding to 10000201220111 its reverse (11102210200001), we get a palindrome (21102411420112).

The spelling of 10000201220111 in words is "ten trillion, two hundred one million, two hundred twenty thousand, one hundred eleven".