111012212231302 has 64 divisors (see below), whose sum is σ = 170157983688000. Its totient is φ = 54309963755520.

The previous prime is 111012212231299. The next prime is 111012212231317. The reversal of 111012212231302 is 203132212210111.

It is a happy number.

It is a super-2 number, since 2×111012212231302² (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 31 ways as a sum of consecutive naturals, for example, 4386608133 + ... + 4386633439.

It is an arithmetic number, because the mean of its divisors is an integer number (2658718495125).

Almost surely, 2^{111012212231302} is an apocalyptic number.

111012212231302 is a deficient number, since it is larger than the sum of its proper divisors (59145771456698).

111012212231302 is a wasteful number, since it uses less digits than its factorization.

111012212231302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26281.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 111012212231302 its reverse (203132212210111), we get a palindrome (314144424441413).

The spelling of 111012212231302 in words is "one hundred eleven trillion, twelve billion, two hundred twelve million, two hundred thirty-one thousand, three hundred two".