10111220021212 has 24 divisors (see below), whose sum is σ = 17701539210432. Its totient is φ = 5053637760000.

The previous prime is 10111220021209. The next prime is 10111220021323. The reversal of 10111220021212 is 21212002211101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125158912 + ... + 125239672.

It is an arithmetic number, because the mean of its divisors is an integer number (737564133768).

Almost surely, 2^{10111220021212} is an apocalyptic number.

It is an amenable number.

10111220021212 is a deficient number, since it is larger than the sum of its proper divisors (7590319189220).

10111220021212 is a wasteful number, since it uses less digits than its factorization.

10111220021212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92589 (or 92587 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 10111220021212 its reverse (21212002211101), we get a palindrome (31323222232313).

The spelling of 10111220021212 in words is "ten trillion, one hundred eleven billion, two hundred twenty million, twenty-one thousand, two hundred twelve".