220201121011 has 4 divisors (see below), whose sum is σ = 222675291000. Its totient is φ = 217726951024.

The previous prime is 220201120991. The next prime is 220201121071. The reversal of 220201121011 is 110121102022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110121102022 = 2 ⋅55060551011.

It is a cyclic number.

It is not a de Polignac number, because 220201121011 - 2⁷ = 220201120883 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220201120982 and 220201121000.

It is not an unprimeable number, because it can be changed into a prime (220201121071) 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, 1237084861 + ... + 1237085038.

It is an arithmetic number, because the mean of its divisors is an integer number (55668822750).

Almost surely, 2^220201121011 is an apocalyptic number.

220201121011 is a deficient number, since it is larger than the sum of its proper divisors (2474169989).

220201121011 is an equidigital number, since it uses as much as digits as its factorization.

220201121011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2474169988.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 220201121011 its reverse (110121102022), we get a palindrome (330322223033).

The spelling of 220201121011 in words is "two hundred twenty billion, two hundred one million, one hundred twenty-one thousand, eleven".