111010001010102 has 24 divisors (see below), whose sum is σ = 240662407171680. Its totient is φ = 36981681621360.

The previous prime is 111010001010061. The next prime is 111010001010133. The reversal of 111010001010102 is 201010100010111.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1804305774 + ... + 1804367297.

It is an arithmetic number, because the mean of its divisors is an integer number (10027600298820).

Almost surely, 2^{111010001010102} is an apocalyptic number.

111010001010102 is an abundant number, since it is smaller than the sum of its proper divisors (129652406161578).

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

111010001010102 is a wasteful number, since it uses less digits than its factorization.

111010001010102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3608674788 (or 3608674785 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 111010001010102 its reverse (201010100010111), we get a palindrome (312020101020213).

Subtracting 111010001010102 from its reverse (201010100010111), we obtain a palindrome (90000099000009).

The spelling of 111010001010102 in words is "one hundred eleven trillion, ten billion, one million, ten thousand, one hundred two".