220212212211103 has 4 divisors (see below), whose sum is σ = 251671099669840. Its totient is φ = 188753324752368.

The previous prime is 220212212211091. The next prime is 220212212211149. The reversal of 220212212211103 is 301112212212022.

220212212211103 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-220212212211103 is a prime.

It is a super-2 number, since 2×220212212211103² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220212212211503) 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, 15729443729358 + ... + 15729443729371.

It is an arithmetic number, because the mean of its divisors is an integer number (62917774917460).

Almost surely, 2^{220212212211103} is an apocalyptic number.

220212212211103 is a deficient number, since it is larger than the sum of its proper divisors (31458887458737).

220212212211103 is an equidigital number, since it uses as much as digits as its factorization.

220212212211103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31458887458736.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 220212212211103 its reverse (301112212212022), we get a palindrome (521324424423125).

The spelling of 220212212211103 in words is "two hundred twenty trillion, two hundred twelve billion, two hundred twelve million, two hundred eleven thousand, one hundred three".