10220111212 has 36 divisors (see below), whose sum is σ = 18544879080. Its totient is φ = 4928073472.

The previous prime is 10220111201. The next prime is 10220111233. The reversal of 10220111212 is 21211102201.

It is a junction number, because it is equal to n+sod(n) for n = 10220111192 and 10220111201.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4799364 + ... + 4801492.

It is an arithmetic number, because the mean of its divisors is an integer number (515135530).

Almost surely, 2^10220111212 is an apocalyptic number.

It is an amenable number.

10220111212 is a deficient number, since it is larger than the sum of its proper divisors (8324767868).

10220111212 is a wasteful number, since it uses less digits than its factorization.

10220111212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3618 (or 3587 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10220111212 its reverse (21211102201), we get a palindrome (31431213413).

The spelling of 10220111212 in words is "ten billion, two hundred twenty million, one hundred eleven thousand, two hundred twelve".