12001020022111 has 8 divisors (see below), whose sum is σ = 12029145891840. Its totient is φ = 11972897738232.

The previous prime is 12001020022091. The next prime is 12001020022127. The reversal of 12001020022111 is 11122002010021.

12001020022111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12001020022111 - 2¹³ = 12001020013919 is a prime.

It is a super-2 number, since 2×12001020022111² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12001020022091 and 12001020022100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12001020020111) 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, 5864586 + ... + 7641688.

It is an arithmetic number, because the mean of its divisors is an integer number (1503643236480).

Almost surely, 2^{12001020022111} is an apocalyptic number.

12001020022111 is a deficient number, since it is larger than the sum of its proper divisors (28125869729).

12001020022111 is a wasteful number, since it uses less digits than its factorization.

12001020022111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1792925.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12001020022111 its reverse (11122002010021), we get a palindrome (23123022032132).

The spelling of 12001020022111 in words is "twelve trillion, one billion, twenty million, twenty-two thousand, one hundred eleven".