10222111211212 has 24 divisors (see below), whose sum is σ = 17902772884080. Its totient is φ = 5107034654400.

The previous prime is 10222111211203. The next prime is 10222111211219. The reversal of 10222111211212 is 21211211122201.

It is a happy number.

It is a super-2 number, since 2×10222111211212² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10222111211212.

It is not an unprimeable number, because it can be changed into a prime (10222111211219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29307339 + ... + 29654077.

It is an arithmetic number, because the mean of its divisors is an integer number (745948870170).

Almost surely, 2^{10222111211212} is an apocalyptic number.

It is an amenable number.

10222111211212 is a deficient number, since it is larger than the sum of its proper divisors (7680661672868).

10222111211212 is a wasteful number, since it uses less digits than its factorization.

10222111211212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352521 (or 352519 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 10222111211212 its reverse (21211211122201), we get a palindrome (31433322333413).

The spelling of 10222111211212 in words is "ten trillion, two hundred twenty-two billion, one hundred eleven million, two hundred eleven thousand, two hundred twelve".