110101022001 has 24 divisors (see below), whose sum is σ = 164327444736. Its totient is φ = 70962613920.

The previous prime is 110101021997. The next prime is 110101022033. The reversal of 110101022001 is 100220101011.

It is a happy number.

It is not a de Polignac number, because 110101022001 - 2² = 110101021997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (110101024001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 87846 + ... + 477408.

It is an arithmetic number, because the mean of its divisors is an integer number (6846976864).

Almost surely, 2^110101022001 is an apocalyptic number.

It is an amenable number.

110101022001 is a deficient number, since it is larger than the sum of its proper divisors (54226422735).

110101022001 is a wasteful number, since it uses less digits than its factorization.

110101022001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390613 (or 390610 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 110101022001 its reverse (100220101011), we get a palindrome (210321123012).

The spelling of 110101022001 in words is "one hundred ten billion, one hundred one million, twenty-two thousand, one".