10220111211012 has 24 divisors (see below), whose sum is σ = 23855601000000. Its totient is φ = 3405464474016.

The previous prime is 10220111210917. The next prime is 10220111211019. The reversal of 10220111211012 is 21011211102201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10220111210982 and 10220111211000.

It is not an unprimeable number, because it can be changed into a prime (10220111211019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154873512 + ... + 154939487.

It is an arithmetic number, because the mean of its divisors is an integer number (993983375000).

Almost surely, 2^{10220111211012} is an apocalyptic number.

10220111211012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10220111211012 is an abundant number, since it is smaller than the sum of its proper divisors (13635489788988).

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

10220111211012 is a wasteful number, since it uses less digits than its factorization.

10220111211012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309815755 (or 309815753 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 10220111211012 its reverse (21011211102201), we get a palindrome (31231322313213).

The spelling of 10220111211012 in words is "ten trillion, two hundred twenty billion, one hundred eleven million, two hundred eleven thousand, twelve".