121112202011001 has 8 divisors (see below), whose sum is σ = 161511301211520. Its totient is φ = 80727285408912.

The previous prime is 121112202010967. The next prime is 121112202011033. The reversal of 121112202011001 is 100110202211121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121112202011001 - 2⁹ = 121112202010489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121112202011041) 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, 3545629681 + ... + 3545663838.

It is an arithmetic number, because the mean of its divisors is an integer number (20188912651440).

Almost surely, 2^{121112202011001} is an apocalyptic number.

It is an amenable number.

121112202011001 is a deficient number, since it is larger than the sum of its proper divisors (40399099200519).

121112202011001 is an equidigital number, since it uses as much as digits as its factorization.

121112202011001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7091299215.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 121112202011001 its reverse (100110202211121), we get a palindrome (221222404222122).

The spelling of 121112202011001 in words is "one hundred twenty-one trillion, one hundred twelve billion, two hundred two million, eleven thousand, one".