22121012202211 has 8 divisors (see below), whose sum is σ = 24591100413824. Its totient is φ = 19760705688960.

The previous prime is 22121012202197. The next prime is 22121012202217. The reversal of 22121012202211 is 11220221012122.

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 22121012202211 - 2⁹ = 22121012201699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22121012202217) 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, 27445424166 + ... + 27445424971.

It is an arithmetic number, because the mean of its divisors is an integer number (3073887551728).

Almost surely, 2^{22121012202211} is an apocalyptic number.

22121012202211 is a deficient number, since it is larger than the sum of its proper divisors (2470088211613).

22121012202211 is a wasteful number, since it uses less digits than its factorization.

22121012202211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54890849181.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 22121012202211 its reverse (11220221012122), we get a palindrome (33341233214333).

The spelling of 22121012202211 in words is "twenty-two trillion, one hundred twenty-one billion, twelve million, two hundred two thousand, two hundred eleven".