22110021210021 has 8 divisors (see below), whose sum is σ = 29883864284160. Its totient is φ = 14538096137952.

The previous prime is 22110021209999. The next prime is 22110021210049. The reversal of 22110021210021 is 12001212001122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22110021210021 - 2⁹ = 22110021209509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22110021210721) 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, 50479500261 + ... + 50479500698.

It is an arithmetic number, because the mean of its divisors is an integer number (3735483035520).

Almost surely, 2^{22110021210021} is an apocalyptic number.

It is an amenable number.

22110021210021 is a deficient number, since it is larger than the sum of its proper divisors (7773843074139).

22110021210021 is a wasteful number, since it uses less digits than its factorization.

22110021210021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100959001035.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 22110021210021 its reverse (12001212001122), we get a palindrome (34111233211143).

The spelling of 22110021210021 in words is "twenty-two trillion, one hundred ten billion, twenty-one million, two hundred ten thousand, twenty-one".