201102100002 has 32 divisors (see below), whose sum is σ = 447397488000. Its totient is φ = 66958443504.

The previous prime is 201102099923. The next prime is 201102100009. The reversal of 201102100002 is 200001201102.

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

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, 2051377 + ... + 2147172.

It is an arithmetic number, because the mean of its divisors is an integer number (13981171500).

Almost surely, 2^201102100002 is an apocalyptic number.

201102100002 is an abundant number, since it is smaller than the sum of its proper divisors (246295387998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201102100002 is a wasteful number, since it uses less digits than its factorization.

201102100002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4199447 (or 4199441 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 201102100002 its reverse (200001201102), we get a palindrome (401103301104).

The spelling of 201102100002 in words is "two hundred one billion, one hundred two million, one hundred thousand, two".