201211111011102 has 16 divisors (see below), whose sum is σ = 402467230766352. Its totient is φ = 67062868879680.

The previous prime is 201211111011101. The next prime is 201211111011151. The reversal of 201211111011102 is 201110111112102.

201211111011102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×201211111011102² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201211111011101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1875306223 + ... + 1875413514.

It is an arithmetic number, because the mean of its divisors is an integer number (25154201922897).

Almost surely, 2^{201211111011102} is an apocalyptic number.

201211111011102 is an abundant number, since it is smaller than the sum of its proper divisors (201256119755250).

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

201211111011102 is a wasteful number, since it uses less digits than its factorization.

201211111011102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3750728683.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 201211111011102 its reverse (201110111112102), we get a palindrome (402321222123204).

The spelling of 201211111011102 in words is "two hundred one trillion, two hundred eleven billion, one hundred eleven million, eleven thousand, one hundred two".