22211021021021 has 32 divisors (see below), whose sum is σ = 26163139411968. Its totient is φ = 18457447579200.

The previous prime is 22211021020961. The next prime is 22211021021029. The reversal of 22211021021021 is 12012012011222.

It is not a de Polignac number, because 22211021021021 - 2⁶ = 22211021020957 is a prime.

It is a Duffinian number.

22211021021021 is a modest number, since divided by 21021021 gives 22211 as remainder.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22211021021029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 104149526 + ... + 104362568.

It is an arithmetic number, because the mean of its divisors is an integer number (817598106624).

Almost surely, 2^{22211021021021} is an apocalyptic number.

It is an amenable number.

22211021021021 is a deficient number, since it is larger than the sum of its proper divisors (3952118390947).

22211021021021 is a wasteful number, since it uses less digits than its factorization.

22211021021021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214521.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 22211021021021 its reverse (12012012011222), we get a palindrome (34223033032243).

The spelling of 22211021021021 in words is "twenty-two trillion, two hundred eleven billion, twenty-one million, twenty-one thousand, twenty-one".