11220020002021 has 8 divisors (see below), whose sum is σ = 11607015744000. Its totient is φ = 10833030826800.

The previous prime is 11220020001947. The next prime is 11220020002027. The reversal of 11220020002021 is 12020002002211.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 11220020002021 - 2³¹ = 11217872518373 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11220020001992 and 11220020002010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220020002027) 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, 1969096 + ... + 5130046.

It is an arithmetic number, because the mean of its divisors is an integer number (1450876968000).

Almost surely, 2^{11220020002021} is an apocalyptic number.

It is an amenable number.

11220020002021 is a deficient number, since it is larger than the sum of its proper divisors (386995741979).

11220020002021 is a wasteful number, since it uses less digits than its factorization.

11220020002021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3283379.

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

Adding to 11220020002021 its reverse (12020002002211), we get a palindrome (23240022004232).

The spelling of 11220020002021 in words is "eleven trillion, two hundred twenty billion, twenty million, two thousand, twenty-one".