111102012020102 has 16 divisors (see below), whose sum is σ = 170718403019472. Its totient is φ = 54195888430080.

The previous prime is 111102012020081. The next prime is 111102012020113. The reversal of 111102012020102 is 201020210201111.

It is a super-3 number, since 3×111102012020102³ (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19188518 + ... + 24298214.

It is an arithmetic number, because the mean of its divisors is an integer number (10669900188717).

Almost surely, 2^{111102012020102} is an apocalyptic number.

111102012020102 is a deficient number, since it is larger than the sum of its proper divisors (59616390999370).

111102012020102 is a wasteful number, since it uses less digits than its factorization.

111102012020102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5374903.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 111102012020102 its reverse (201020210201111), we get a palindrome (312122222221213).

The spelling of 111102012020102 in words is "one hundred eleven trillion, one hundred two billion, twelve million, twenty thousand, one hundred two".