2201001001101 has 24 divisors (see below), whose sum is σ = 3634687667520. Its totient is φ = 1257268599936.

The previous prime is 2201001001097. The next prime is 2201001001109. The reversal of 2201001001101 is 1011001001022.

It is a happy number.

It is not a de Polignac number, because 2201001001101 - 2² = 2201001001097 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201001001109) 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, 6019020 + ... + 6374213.

It is an arithmetic number, because the mean of its divisors is an integer number (151445319480).

Almost surely, 2^{2201001001101} is an apocalyptic number.

2201001001101 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2201001001101 is a deficient number, since it is larger than the sum of its proper divisors (1433686666419).

2201001001101 is a wasteful number, since it uses less digits than its factorization.

2201001001101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12396065 (or 12396062 counting only the distinct ones).

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

Adding to 2201001001101 its reverse (1011001001022), we get a palindrome (3212002002123).

The spelling of 2201001001101 in words is "two trillion, two hundred one billion, one million, one thousand, one hundred one".