11111001210102 has 128 divisors (see below), whose sum is σ = 23100398346240. Its totient is φ = 3560600309760.

The previous prime is 11111001210047. The next prime is 11111001210139. The reversal of 11111001210102 is 20101210011111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6547436518 + ... + 6547438214.

It is an arithmetic number, because the mean of its divisors is an integer number (180471862080).

Almost surely, 2^{11111001210102} is an apocalyptic number.

11111001210102 is an abundant number, since it is smaller than the sum of its proper divisors (11989397136138).

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

11111001210102 is a wasteful number, since it uses less digits than its factorization.

11111001210102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3166.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 11111001210102 its reverse (20101210011111), we get a palindrome (31212211221213).

The spelling of 11111001210102 in words is "eleven trillion, one hundred eleven billion, one million, two hundred ten thousand, one hundred two".