11112211020102 has 32 divisors (see below), whose sum is σ = 22247348935392. Its totient is φ = 3700250636544.

The previous prime is 11112211020101. The next prime is 11112211020103. The reversal of 11112211020102 is 20102011221111.

It is a happy number.

11112211020102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11112211020101) and next prime (11112211020103).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11112211020101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31029288 + ... + 31385364.

It is an arithmetic number, because the mean of its divisors is an integer number (695229654231).

Almost surely, 2^{11112211020102} is an apocalyptic number.

11112211020102 is an abundant number, since it is smaller than the sum of its proper divisors (11135137915290).

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

11112211020102 is a wasteful number, since it uses less digits than its factorization.

11112211020102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361432.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11112211020102 its reverse (20102011221111), we get a palindrome (31214222241213).

The spelling of 11112211020102 in words is "eleven trillion, one hundred twelve billion, two hundred eleven million, twenty thousand, one hundred two".