121231203003011 has 8 divisors (see below), whose sum is σ = 121303132917120. Its totient is φ = 121159291646848.

The previous prime is 121231203002993. The next prime is 121231203003083. The reversal of 121231203003011 is 110300302132121.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121231203003011 is a prime.

It is a super-2 number, since 2×121231203003011² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121231203003091) 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, 8440475 + ... + 17711691.

It is an arithmetic number, because the mean of its divisors is an integer number (15162891614640).

Almost surely, 2^{121231203003011} is an apocalyptic number.

121231203003011 is a deficient number, since it is larger than the sum of its proper divisors (71929914109).

121231203003011 is an equidigital number, since it uses as much as digits as its factorization.

121231203003011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9278973.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 121231203003011 its reverse (110300302132121), we get a palindrome (231531505135132).

The spelling of 121231203003011 in words is "one hundred twenty-one trillion, two hundred thirty-one billion, two hundred three million, three thousand, eleven".