111212020111102 has 8 divisors (see below), whose sum is σ = 167749974469800. Its totient is φ = 55295361954504.

The previous prime is 111212020111067. The next prime is 111212020111147. The reversal of 111212020111102 is 201111020212111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×111212020111102² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155324050077 + ... + 155324050792.

It is an arithmetic number, because the mean of its divisors is an integer number (20968746808725).

Almost surely, 2^{111212020111102} is an apocalyptic number.

111212020111102 is a deficient number, since it is larger than the sum of its proper divisors (56537954358698).

111212020111102 is a wasteful number, since it uses less digits than its factorization.

111212020111102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310648101050.

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

Adding to 111212020111102 its reverse (201111020212111), we get a palindrome (312323040323213).

The spelling of 111212020111102 in words is "one hundred eleven trillion, two hundred twelve billion, twenty million, one hundred eleven thousand, one hundred two".