1111020102102 has 32 divisors (see below), whose sum is σ = 2223618905088. Its totient is φ = 370077003296.

The previous prime is 1111020102083. The next prime is 1111020102103. The reversal of 1111020102102 is 2012010201111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111020102103) 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, 97255963 + ... + 97267385.

It is an arithmetic number, because the mean of its divisors is an integer number (69488090784).

Almost surely, 2^{1111020102102} is an apocalyptic number.

1111020102102 is an abundant number, since it is smaller than the sum of its proper divisors (1112598802986).

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

1111020102102 is a wasteful number, since it uses less digits than its factorization.

1111020102102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21524.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1111020102102 its reverse (2012010201111), we get a palindrome (3123030303213).

Subtracting 1111020102102 from its reverse (2012010201111), we obtain a palindrome (900990099009).

The spelling of 1111020102102 in words is "one trillion, one hundred eleven billion, twenty million, one hundred two thousand, one hundred two".