220212220121011 has 4 divisors (see below), whose sum is σ = 227805744952800. Its totient is φ = 212618695289224.

The previous prime is 220212220120957. The next prime is 220212220121087. The reversal of 220212220121011 is 110121022212022.

220212220121011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220212220121011 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 220212220121011.

It is not an unprimeable number, because it can be changed into a prime (220212220121611) 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, 3796762415851 + ... + 3796762415908.

It is an arithmetic number, because the mean of its divisors is an integer number (56951436238200).

Almost surely, 2^{220212220121011} is an apocalyptic number.

220212220121011 is a deficient number, since it is larger than the sum of its proper divisors (7593524831789).

220212220121011 is an equidigital number, since it uses as much as digits as its factorization.

220212220121011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7593524831788.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 220212220121011 its reverse (110121022212022), we get a palindrome (330333242333033).

The spelling of 220212220121011 in words is "two hundred twenty trillion, two hundred twelve billion, two hundred twenty million, one hundred twenty-one thousand, eleven".