201120220021 has 8 divisors (see below), whose sum is σ = 229859522624. Its totient is φ = 172382878080.

The previous prime is 201120220019. The next prime is 201120220031. The reversal of 201120220021 is 120022021102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 201120220021 - 2¹ = 201120220019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201120219983 and 201120220010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201120220001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 263355 + ... + 686728.

It is an arithmetic number, because the mean of its divisors is an integer number (28732440328).

Almost surely, 2^201120220021 is an apocalyptic number.

It is an amenable number.

201120220021 is a deficient number, since it is larger than the sum of its proper divisors (28739302603).

201120220021 is an equidigital number, since it uses as much as digits as its factorization.

201120220021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 980331.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 201120220021 its reverse (120022021102), we get a palindrome (321142241123).

The spelling of 201120220021 in words is "two hundred one billion, one hundred twenty million, two hundred twenty thousand, twenty-one".