201211201012102 has 16 divisors (see below), whose sum is σ = 301847897336832. Its totient is φ = 100595235732040.

The previous prime is 201211201012099. The next prime is 201211201012141. The reversal of 201211201012102 is 201210102112102.

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, 1005096477 + ... + 1005296647.

It is an arithmetic number, because the mean of its divisors is an integer number (18865493583552).

Almost surely, 2^{201211201012102} is an apocalyptic number.

201211201012102 is a deficient number, since it is larger than the sum of its proper divisors (100636696324730).

201211201012102 is a wasteful number, since it uses less digits than its factorization.

201211201012102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249443.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 201211201012102 its reverse (201210102112102), we get a palindrome (402421303124204).

The spelling of 201211201012102 in words is "two hundred one trillion, two hundred eleven billion, two hundred one million, twelve thousand, one hundred two".