10220111012 has 24 divisors (see below), whose sum is σ = 18096734880. Its totient is φ = 5049682880.

The previous prime is 10220111003. The next prime is 10220111047. The reversal of 10220111012 is 21011102201.

It is a junction number, because it is equal to n+sod(n) for n = 10220110984 and 10220111002.

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, 680003 + ... + 694869.

It is an arithmetic number, because the mean of its divisors is an integer number (754030620).

Almost surely, 2^10220111012 is an apocalyptic number.

It is an amenable number.

10220111012 is a deficient number, since it is larger than the sum of its proper divisors (7876623868).

10220111012 is a wasteful number, since it uses less digits than its factorization.

10220111012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16891 (or 16889 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 10220111012 its reverse (21011102201), we get a palindrome (31231213213).

It can be divided in two parts, 10 and 220111012, that added together give a palindrome (220111022).

The spelling of 10220111012 in words is "ten billion, two hundred twenty million, one hundred eleven thousand, twelve".