201211100110 has 16 divisors (see below), whose sum is σ = 365765922432. Its totient is φ = 79687564000.

The previous prime is 201211100093. The next prime is 201211100137. The reversal of 201211100110 is 11001112102.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99608446 + ... + 99610465.

It is an arithmetic number, because the mean of its divisors is an integer number (22860370152).

Almost surely, 2^201211100110 is an apocalyptic number.

201211100110 is a deficient number, since it is larger than the sum of its proper divisors (164554822322).

201211100110 is a wasteful number, since it uses less digits than its factorization.

201211100110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199219019.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 201211100110 its reverse (11001112102), we get a palindrome (212212212212).

The spelling of 201211100110 in words is "two hundred one billion, two hundred eleven million, one hundred thousand, one hundred ten".