201110120022001 has 4 divisors (see below), whose sum is σ = 201128324986432. Its totient is φ = 201091915057572.

The previous prime is 201110120021959. The next prime is 201110120022017. The reversal of 201110120022001 is 100220021011102.

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 201110120022001 - 2⁴⁷ = 60372631666673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201110120022041) 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, 9102465645 + ... + 9102487738.

It is an arithmetic number, because the mean of its divisors is an integer number (50282081246608).

Almost surely, 2^{201110120022001} is an apocalyptic number.

It is an amenable number.

201110120022001 is a deficient number, since it is larger than the sum of its proper divisors (18204964431).

201110120022001 is a wasteful number, since it uses less digits than its factorization.

201110120022001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18204964430.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 201110120022001 its reverse (100220021011102), we get a palindrome (301330141033103).

The spelling of 201110120022001 in words is "two hundred one trillion, one hundred ten billion, one hundred twenty million, twenty-two thousand, one".