1111202112102 has 16 divisors (see below), whose sum is σ = 2222460136560. Its totient is φ = 370391385312.

The previous prime is 1111202112079. The next prime is 1111202112103. The reversal of 1111202112102 is 2012112021111.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111202112103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2069077 + ... + 2550192.

It is an arithmetic number, because the mean of its divisors is an integer number (138903758535).

Almost surely, 2^{1111202112102} is an apocalyptic number.

1111202112102 is an abundant number, since it is smaller than the sum of its proper divisors (1111258024458).

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

1111202112102 is a wasteful number, since it uses less digits than its factorization.

1111202112102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4659367.

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

Adding to 1111202112102 its reverse (2012112021111), we get a palindrome (3123314133213).

Subtracting 1111202112102 from its reverse (2012112021111), we obtain a palindrome (900909909009).

It can be divided in two parts, 111120 and 2112102, that added together give a palindrome (2223222).

The spelling of 1111202112102 in words is "one trillion, one hundred eleven billion, two hundred two million, one hundred twelve thousand, one hundred two".