10222111212 has 48 divisors (see below), whose sum is σ = 24507920640. Its totient is φ = 3313697472.

The previous prime is 10222111201. The next prime is 10222111217. The reversal of 10222111212 is 21211122201.

It is a super-2 number, since 2×10222111212² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10222111191 and 10222111200.

It is not an unprimeable number, because it can be changed into a prime (10222111217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1247553 + ... + 1255719.

It is an arithmetic number, because the mean of its divisors is an integer number (510581680).

Almost surely, 2^10222111212 is an apocalyptic number.

10222111212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10222111212 is an abundant number, since it is smaller than the sum of its proper divisors (14285809428).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10222111212 is a wasteful number, since it uses less digits than its factorization.

10222111212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11030 (or 11028 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 10222111212 its reverse (21211122201), we get a palindrome (31433233413).

It can be divided in two parts, 10 and 222111212, that added together give a palindrome (222111222).

The spelling of 10222111212 in words is "ten billion, two hundred twenty-two million, one hundred eleven thousand, two hundred twelve".