201102100001 has 16 divisors (see below), whose sum is σ = 222794193600. Its totient is φ = 179998584000.

The previous prime is 201102099923. The next prime is 201102100009. The reversal of 201102100001 is 100001201102.

It is a cyclic number.

It is not a de Polignac number, because 201102100001 - 2¹⁴ = 201102083617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201102100009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 306746 + ... + 704483.

It is an arithmetic number, because the mean of its divisors is an integer number (13924637100).

Almost surely, 2^201102100001 is an apocalyptic number.

It is an amenable number.

201102100001 is a deficient number, since it is larger than the sum of its proper divisors (21692093599).

201102100001 is a wasteful number, since it uses less digits than its factorization.

201102100001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011520.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 201102100001 its reverse (100001201102), we get a palindrome (301103301103).

It can be divided in two parts, 201102 and 100001, that multiplied together give a palindrome (20110401102).

The spelling of 201102100001 in words is "two hundred one billion, one hundred two million, one hundred thousand, one".