101111210122201 has 4 divisors (see below), whose sum is σ = 102247291134900. Its totient is φ = 99975129109504.

The previous prime is 101111210122151. The next prime is 101111210122271. The reversal of 101111210122201 is 102221012111101.

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

It can be written as a sum of positive squares in 2 ways, for example, as 12004312396176 + 89106897726025 = 3464724^2 + 9439645^2 .

It is a cyclic number.

It is not a de Polignac number, because 101111210122201 - 2²⁵ = 101111176567769 is a prime.

It is a super-2 number, since 2×101111210122201² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101111210122271) 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, 568040506216 + ... + 568040506393.

It is an arithmetic number, because the mean of its divisors is an integer number (25561822783725).

Almost surely, 2^{101111210122201} is an apocalyptic number.

It is an amenable number.

101111210122201 is a deficient number, since it is larger than the sum of its proper divisors (1136081012699).

101111210122201 is an equidigital number, since it uses as much as digits as its factorization.

101111210122201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1136081012698.

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

Adding to 101111210122201 its reverse (102221012111101), we get a palindrome (203332222233302).

The spelling of 101111210122201 in words is "one hundred one trillion, one hundred eleven billion, two hundred ten million, one hundred twenty-two thousand, two hundred one".