111100012120102 has 8 divisors (see below), whose sum is σ = 166651920341136. Its totient is φ = 55549372006392.

The previous prime is 111100012120091. The next prime is 111100012120117. The reversal of 111100012120102 is 201021210001111.

It is a happy number.

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

It is a super-2 number, since 2×111100012120102² (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, 316807773 + ... + 317158264.

It is an arithmetic number, because the mean of its divisors is an integer number (20831490042642).

Almost surely, 2^{111100012120102} is an apocalyptic number.

111100012120102 is a deficient number, since it is larger than the sum of its proper divisors (55551908221034).

111100012120102 is an equidigital number, since it uses as much as digits as its factorization.

111100012120102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634053662.

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

Adding to 111100012120102 its reverse (201021210001111), we get a palindrome (312121222121213).

The spelling of 111100012120102 in words is "one hundred eleven trillion, one hundred billion, twelve million, one hundred twenty thousand, one hundred two".