220111010101012 has 12 divisors (see below), whose sum is σ = 385200116199360. Its totient is φ = 110053834044056.

The previous prime is 220111010100967. The next prime is 220111010101013. The reversal of 220111010101012 is 210101010111022.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 220111010100983 and 220111010101001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220111010101013) 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, 417455212 + ... + 417982147.

It is an arithmetic number, because the mean of its divisors is an integer number (32100009683280).

Almost surely, 2^{220111010101012} is an apocalyptic number.

It is an amenable number.

220111010101012 is a deficient number, since it is larger than the sum of its proper divisors (165089106098348).

220111010101012 is a wasteful number, since it uses less digits than its factorization.

220111010101012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835503230 (or 835503228 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 220111010101012 its reverse (210101010111022), we get a palindrome (430212020212034).

It can be divided in two parts, 220111010 and 101012, that added together give a palindrome (220212022).

The spelling of 220111010101012 in words is "two hundred twenty trillion, one hundred eleven billion, ten million, one hundred one thousand, twelve".