12011022020121 has 16 divisors (see below), whose sum is σ = 16102249910208. Its totient is φ = 7963665320000.

The previous prime is 12011022020087. The next prime is 12011022020143. The reversal of 12011022020121 is 12102022011021.

12011022020121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12011022020121 - 2¹³ = 12011022011929 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12011022020121.

It is not an unprimeable number, because it can be changed into a prime (12011022020321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11270790 + ... + 12290351.

It is an arithmetic number, because the mean of its divisors is an integer number (1006390619388).

Almost surely, 2^{12011022020121} is an apocalyptic number.

It is an amenable number.

12011022020121 is a deficient number, since it is larger than the sum of its proper divisors (4091227890087).

12011022020121 is a wasteful number, since it uses less digits than its factorization.

12011022020121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23562072.

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

Adding to 12011022020121 its reverse (12102022011021), we get a palindrome (24113044031142).

It can be divided in two parts, 1201102 and 2020121, that added together give a palindrome (3221223).

The spelling of 12011022020121 in words is "twelve trillion, eleven billion, twenty-two million, twenty thousand, one hundred twenty-one".