2011111212102 has 8 divisors (see below), whose sum is σ = 4022222424216. Its totient is φ = 670370404032.

The previous prime is 2011111212001. The next prime is 2011111212119. The reversal of 2011111212102 is 2012121111102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

2011111212102 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167592601003 + ... + 167592601014.

It is an arithmetic number, because the mean of its divisors is an integer number (502777803027).

Almost surely, 2^{2011111212102} is an apocalyptic number.

2011111212102 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2011111212102 is a wasteful number, since it uses less digits than its factorization.

2011111212102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335185202022.

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

Adding to 2011111212102 its reverse (2012121111102), we get a palindrome (4023232323204).

The spelling of 2011111212102 in words is "two trillion, eleven billion, one hundred eleven million, two hundred twelve thousand, one hundred two".