220011102021 has 16 divisors (see below), whose sum is σ = 293965375104. Its totient is φ = 146365680384.

The previous prime is 220011101987. The next prime is 220011102097. The reversal of 220011102021 is 120201110022.

It is not a de Polignac number, because 220011102021 - 2⁶ = 220011101957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220011101988 and 220011102006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220011122021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3957600 + ... + 4012806.

It is an arithmetic number, because the mean of its divisors is an integer number (18372835944).

Almost surely, 2^220011102021 is an apocalyptic number.

It is an amenable number.

220011102021 is a deficient number, since it is larger than the sum of its proper divisors (73954273083).

220011102021 is a wasteful number, since it uses less digits than its factorization.

220011102021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57980.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 220011102021 its reverse (120201110022), we get a palindrome (340212212043).

The spelling of 220011102021 in words is "two hundred twenty billion, eleven million, one hundred two thousand, twenty-one".