10111211212102 has 32 divisors (see below), whose sum is σ = 20363837969664. Its totient is φ = 3636399636000.

The previous prime is 10111211212073. The next prime is 10111211212111. The reversal of 10111211212102 is 20121211211101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2525275524 + ... + 2525279527.

It is an arithmetic number, because the mean of its divisors is an integer number (636369936552).

Almost surely, 2^{10111211212102} is an apocalyptic number.

10111211212102 is an abundant number, since it is smaller than the sum of its proper divisors (10252626757562).

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

10111211212102 is a wasteful number, since it uses less digits than its factorization.

10111211212102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5050555084.

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

Adding to 10111211212102 its reverse (20121211211101), we get a palindrome (30232422423203).

The spelling of 10111211212102 in words is "ten trillion, one hundred eleven billion, two hundred eleven million, two hundred twelve thousand, one hundred two".