101111212110212 has 6 divisors (see below), whose sum is σ = 176944621192878. Its totient is φ = 50555606055104.

The previous prime is 101111212110197. The next prime is 101111212110229. The reversal of 101111212110212 is 212011212111101.

It can be written as a sum of positive squares in only one way, i.e., 54777406182976 + 46333805927236 = 7401176^2 + 6806894^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12638901513773 + ... + 12638901513780.

It is an arithmetic number, because the mean of its divisors is an integer number (29490770198813).

Almost surely, 2^{101111212110212} is an apocalyptic number.

It is an amenable number.

101111212110212 is a deficient number, since it is larger than the sum of its proper divisors (75833409082666).

101111212110212 is a wasteful number, since it uses less digits than its factorization.

101111212110212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25277803027557 (or 25277803027555 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 101111212110212 its reverse (212011212111101), we get a palindrome (313122424221313).

The spelling of 101111212110212 in words is "one hundred one trillion, one hundred eleven billion, two hundred twelve million, one hundred ten thousand, two hundred twelve".