22121201002111 has 8 divisors (see below), whose sum is σ = 22125560555520. Its totient is φ = 22116841877592.

The previous prime is 22121201002093. The next prime is 22121201002129. The reversal of 22121201002111 is 11120010212122.

It is an interprime number because it is at equal distance from previous prime (22121201002093) and next prime (22121201002129).

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 22121201002111 - 2¹⁷ = 22121200871039 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 (22121201012111) 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, 114889026 + ... + 115081408.

It is an arithmetic number, because the mean of its divisors is an integer number (2765695069440).

Almost surely, 2^{22121201002111} is an apocalyptic number.

22121201002111 is a deficient number, since it is larger than the sum of its proper divisors (4359553409).

22121201002111 is a wasteful number, since it uses less digits than its factorization.

22121201002111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214445.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 22121201002111 its reverse (11120010212122), we get a palindrome (33241211214233).

The spelling of 22121201002111 in words is "twenty-two trillion, one hundred twenty-one billion, two hundred one million, two thousand, one hundred eleven".