220111001012 has 12 divisors (see below), whose sum is σ = 440222002080. Its totient is φ = 94333286136.

The previous prime is 220111001003. The next prime is 220111001017. The reversal of 220111001012 is 210100111022.

220111001012 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 220111000984 and 220111001002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220111001017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3930553562 + ... + 3930553617.

It is an arithmetic number, because the mean of its divisors is an integer number (36685166840).

Almost surely, 2^220111001012 is an apocalyptic number.

It is an amenable number.

220111001012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

220111001012 is a wasteful number, since it uses less digits than its factorization.

220111001012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7861107190 (or 7861107188 counting only the distinct ones).

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

Adding to 220111001012 its reverse (210100111022), we get a palindrome (430211112034).

The spelling of 220111001012 in words is "two hundred twenty billion, one hundred eleven million, one thousand, twelve".