220031201011 has 4 divisors (see below), whose sum is σ = 229597774992. Its totient is φ = 210464627032.

The previous prime is 220031200933. The next prime is 220031201017. The reversal of 220031201011 is 110102130022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110102130022 = 2 ⋅55051065011.

It is a cyclic number.

It is not a de Polignac number, because 220031201011 - 2²³ = 220022812403 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220031200982 and 220031201000.

It is not an unprimeable number, because it can be changed into a prime (220031201017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4783286956 + ... + 4783287001.

It is an arithmetic number, because the mean of its divisors is an integer number (57399443748).

Almost surely, 2^220031201011 is an apocalyptic number.

220031201011 is a deficient number, since it is larger than the sum of its proper divisors (9566573981).

220031201011 is an equidigital number, since it uses as much as digits as its factorization.

220031201011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9566573980.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 220031201011 its reverse (110102130022), we get a palindrome (330133331033).

The spelling of 220031201011 in words is "two hundred twenty billion, thirty-one million, two hundred one thousand, eleven".