11220210220021 has 8 divisors (see below), whose sum is σ = 12240263512224. Its totient is φ = 10200162624720.

The previous prime is 11220210219971. The next prime is 11220210220027. The reversal of 11220210220021 is 12002201202211.

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 11220210220021 - 2¹⁷ = 11220210088949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11220210219977 and 11220210220004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220210220027) 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, 3406206 + ... + 5834608.

It is an arithmetic number, because the mean of its divisors is an integer number (1530032939028).

Almost surely, 2^{11220210220021} is an apocalyptic number.

11220210220021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11220210220021 is a deficient number, since it is larger than the sum of its proper divisors (1020053292203).

11220210220021 is a wasteful number, since it uses less digits than its factorization.

11220210220021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2848451.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 11220210220021 its reverse (12002201202211), we get a palindrome (23222411422232).

The spelling of 11220210220021 in words is "eleven trillion, two hundred twenty billion, two hundred ten million, two hundred twenty thousand, twenty-one".