11111010102 has 24 divisors (see below), whose sum is σ = 24128710320. Its totient is φ = 3695230800.

The previous prime is 11111010077. The next prime is 11111010103. The reversal of 11111010102 is 20101011111.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11111010103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 695149 + ... + 710952.

It is an arithmetic number, because the mean of its divisors is an integer number (1005362930).

Almost surely, 2^11111010102 is an apocalyptic number.

11111010102 is an abundant number, since it is smaller than the sum of its proper divisors (13017700218).

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

11111010102 is a wasteful number, since it uses less digits than its factorization.

11111010102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1406548 (or 1406545 counting only the distinct ones).

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

Adding to 11111010102 its reverse (20101011111), we get a palindrome (31212021213).

The spelling of 11111010102 in words is "eleven billion, one hundred eleven million, ten thousand, one hundred two".