11222010202021 has 16 divisors (see below), whose sum is σ = 11442114354240. Its totient is φ = 11003102570880.

The previous prime is 11222010201973. The next prime is 11222010202079. The reversal of 11222010202021 is 12020201022211.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11222010202021 - 2⁹ = 11222010201509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11222010201986 and 11222010202004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11222010202121) 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, 43960665 + ... + 44215201.

It is an arithmetic number, because the mean of its divisors is an integer number (715132147140).

Almost surely, 2^{11222010202021} is an apocalyptic number.

It is an amenable number.

11222010202021 is a deficient number, since it is larger than the sum of its proper divisors (220104152219).

11222010202021 is a wasteful number, since it uses less digits than its factorization.

11222010202021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256884.

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

Adding to 11222010202021 its reverse (12020201022211), we get a palindrome (23242211224232).

The spelling of 11222010202021 in words is "eleven trillion, two hundred twenty-two billion, ten million, two hundred two thousand, twenty-one".