201111212100102 has 48 divisors (see below), whose sum is σ = 440063880373296. Its totient is φ = 61058432486400.

The previous prime is 201111212100089. The next prime is 201111212100107. The reversal of 201111212100102 is 201001212111102.

It is a happy number.

201111212100102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201111212100107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1025749299 + ... + 1025945342.

It is an arithmetic number, because the mean of its divisors is an integer number (9167997507777).

Almost surely, 2^{201111212100102} is an apocalyptic number.

201111212100102 is an abundant number, since it is smaller than the sum of its proper divisors (238952668273194).

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

201111212100102 is a wasteful number, since it uses less digits than its factorization.

201111212100102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2051694725 (or 2051694694 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 201111212100102 its reverse (201001212111102), we get a palindrome (402112424211204).

The spelling of 201111212100102 in words is "two hundred one trillion, one hundred eleven billion, two hundred twelve million, one hundred thousand, one hundred two".