101111100212212 has 12 divisors (see below), whose sum is σ = 177207344284516. Its totient is φ = 50480430416640.

The previous prime is 101111100212203. The next prime is 101111100212237. The reversal of 101111100212212 is 212212001111101.

It can be written as a sum of positive squares in 2 ways, for example, as 19075982171236 + 82035118040976 = 4367606^2 + 9057324^2 .

It is a super-2 number, since 2×101111100212212² (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, 18779919339 + ... + 18779924722.

Almost surely, 2^{101111100212212} is an apocalyptic number.

It is an amenable number.

101111100212212 is a deficient number, since it is larger than the sum of its proper divisors (76096244072304).

101111100212212 is a wasteful number, since it uses less digits than its factorization.

101111100212212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37559844738 (or 37559844736 counting only the distinct ones).

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

Adding to 101111100212212 its reverse (212212001111101), we get a palindrome (313323101323313).

The spelling of 101111100212212 in words is "one hundred one trillion, one hundred eleven billion, one hundred million, two hundred twelve thousand, two hundred twelve".