12101222001001 has 16 divisors (see below), whose sum is σ = 14056859053440. Its totient is φ = 10202311831680.

The previous prime is 12101222000969. The next prime is 12101222001007. The reversal of 12101222001001 is 10010022210121.

It is a cyclic number.

It is not a de Polignac number, because 12101222001001 - 2⁵ = 12101222000969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12101222001007) 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, 58899885 + ... + 59104981.

It is an arithmetic number, because the mean of its divisors is an integer number (878553690840).

Almost surely, 2^{12101222001001} is an apocalyptic number.

It is an amenable number.

12101222001001 is a deficient number, since it is larger than the sum of its proper divisors (1955637052439).

12101222001001 is a wasteful number, since it uses less digits than its factorization.

12101222001001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343344.

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

Adding to 12101222001001 its reverse (10010022210121), we get a palindrome (22111244211122).

It can be divided in two parts, 1210122 and 2001001, that added together give a palindrome (3211123).

The spelling of 12101222001001 in words is "twelve trillion, one hundred one billion, two hundred twenty-two million, one thousand, one".