10011222021212 has 12 divisors (see below), whose sum is σ = 17519915834736. Its totient is φ = 5005531782720.

The previous prime is 10011222021149. The next prime is 10011222021223. The reversal of 10011222021212 is 21212022211001.

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, 19522208 + ... + 20028455.

It is an arithmetic number, because the mean of its divisors is an integer number (1459992986228).

Almost surely, 2^{10011222021212} is an apocalyptic number.

It is an amenable number.

10011222021212 is a deficient number, since it is larger than the sum of its proper divisors (7508693813524).

10011222021212 is a wasteful number, since it uses less digits than its factorization.

10011222021212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39613948 (or 39613946 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 10011222021212 its reverse (21212022211001), we get a palindrome (31223244232213).

The spelling of 10011222021212 in words is "ten trillion, eleven billion, two hundred twenty-two million, twenty-one thousand, two hundred twelve".