1112111020102 has 4 divisors (see below), whose sum is σ = 1668166530156. Its totient is φ = 556055510050.

The previous prime is 1112111020067. The next prime is 1112111020109. The reversal of 1112111020102 is 2010201112111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1112111020102² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112111020109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278027755024 + ... + 278027755027.

It is an arithmetic number, because the mean of its divisors is an integer number (417041632539).

Almost surely, 2^{1112111020102} is an apocalyptic number.

1112111020102 is a deficient number, since it is larger than the sum of its proper divisors (556055510054).

1112111020102 is an equidigital number, since it uses as much as digits as its factorization.

1112111020102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556055510053.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1112111020102 its reverse (2010201112111), we get a palindrome (3122312132213).

The spelling of 1112111020102 in words is "one trillion, one hundred twelve billion, one hundred eleven million, twenty thousand, one hundred two".