22211120012021 has 8 divisors (see below), whose sum is σ = 22229551183200. Its totient is φ = 22192689426480.

The previous prime is 22211120011979. The next prime is 22211120012023. The reversal of 22211120012021 is 12021002111222.

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 22211120012021 - 2¹⁰ = 22211120010997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22211120012023) 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, 109735850 + ... + 109938068.

It is an arithmetic number, because the mean of its divisors is an integer number (2778693897900).

Almost surely, 2^{22211120012021} is an apocalyptic number.

It is an amenable number.

22211120012021 is a deficient number, since it is larger than the sum of its proper divisors (18431171179).

22211120012021 is a wasteful number, since it uses less digits than its factorization.

22211120012021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292819.

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

Adding to 22211120012021 its reverse (12021002111222), we get a palindrome (34232122123243).

The spelling of 22211120012021 in words is "twenty-two trillion, two hundred eleven billion, one hundred twenty million, twelve thousand, twenty-one".