11220200120021 has 16 divisors (see below), whose sum is σ = 11929198022784. Its totient is φ = 10529641197504.

The previous prime is 11220200119987. The next prime is 11220200120027. The reversal of 11220200120021 is 12002100202211.

It is not a de Polignac number, because 11220200120021 - 2⁴² = 6822153608917 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11220200119978 and 11220200120005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220200120027) 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, 90579290 + ... + 90703076.

It is an arithmetic number, because the mean of its divisors is an integer number (745574876424).

Almost surely, 2^{11220200120021} is an apocalyptic number.

It is an amenable number.

11220200120021 is a deficient number, since it is larger than the sum of its proper divisors (708997902763).

11220200120021 is a wasteful number, since it uses less digits than its factorization.

11220200120021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198220.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 11220200120021 its reverse (12002100202211), we get a palindrome (23222300322232).

The spelling of 11220200120021 in words is "eleven trillion, two hundred twenty billion, two hundred million, one hundred twenty thousand, twenty-one".