12021012001101 has 16 divisors (see below), whose sum is σ = 16420814948160. Its totient is φ = 7817653092480.

The previous prime is 12021012001093. The next prime is 12021012001129. The reversal of 12021012001101 is 10110021012021.

It is not a de Polignac number, because 12021012001101 - 2³ = 12021012001093 is a prime.

It is a super-2 number, since 2×12021012001101² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12021012001181) 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, 4486410 + ... + 6646043.

It is an arithmetic number, because the mean of its divisors is an integer number (1026300934260).

Almost surely, 2^{12021012001101} is an apocalyptic number.

It is an amenable number.

12021012001101 is a deficient number, since it is larger than the sum of its proper divisors (4399802947059).

12021012001101 is a wasteful number, since it uses less digits than its factorization.

12021012001101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11141276.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 12021012001101 its reverse (10110021012021), we get a palindrome (22131033013122).

The spelling of 12021012001101 in words is "twelve trillion, twenty-one billion, twelve million, one thousand, one hundred one".