220101121213 has 4 divisors (see below), whose sum is σ = 224784123840. Its totient is φ = 215418118588.

The previous prime is 220101121211. The next prime is 220101121231. The reversal of 220101121213 is 312121101022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 220101121213 - 2¹ = 220101121211 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220101121211) 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, 2341501243 + ... + 2341501336.

It is an arithmetic number, because the mean of its divisors is an integer number (56196030960).

Almost surely, 2^220101121213 is an apocalyptic number.

It is an amenable number.

220101121213 is a deficient number, since it is larger than the sum of its proper divisors (4683002627).

220101121213 is an equidigital number, since it uses as much as digits as its factorization.

220101121213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4683002626.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 220101121213 its reverse (312121101022), we get a palindrome (532222222235).

The spelling of 220101121213 in words is "two hundred twenty billion, one hundred one million, one hundred twenty-one thousand, two hundred thirteen".