10121111102 has 16 divisors (see below), whose sum is σ = 15985337040. Its totient is φ = 4792819968.

The previous prime is 10121111101. The next prime is 10121111191. The reversal of 10121111102 is 20111112101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10121111101) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 100628 + ... + 174264.

It is an arithmetic number, because the mean of its divisors is an integer number (999083565).

Almost surely, 2^10121111102 is an apocalyptic number.

10121111102 is a deficient number, since it is larger than the sum of its proper divisors (5864225938).

10121111102 is a wasteful number, since it uses less digits than its factorization.

10121111102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77275.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 10121111102 its reverse (20111112101), we get a palindrome (30232223203).

Subtracting 10121111102 from its reverse (20111112101), we obtain a palindrome (9990000999).

The spelling of 10121111102 in words is "ten billion, one hundred twenty-one million, one hundred eleven thousand, one hundred two".