121203300021011 has 8 divisors (see below), whose sum is σ = 130829476809024. Its totient is φ = 111620386949760.

The previous prime is 121203300020993. The next prime is 121203300021019. The reversal of 121203300021011 is 110120003302121.

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

It is not a de Polignac number, because 121203300021011 - 2²² = 121203295826707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121203300021019) 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, 10815923366 + ... + 10815934571.

It is an arithmetic number, because the mean of its divisors is an integer number (16353684601128).

Almost surely, 2^{121203300021011} is an apocalyptic number.

121203300021011 is a deficient number, since it is larger than the sum of its proper divisors (9626176788013).

121203300021011 is a wasteful number, since it uses less digits than its factorization.

121203300021011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21631858381.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 121203300021011 its reverse (110120003302121), we get a palindrome (231323303323132).

The spelling of 121203300021011 in words is "one hundred twenty-one trillion, two hundred three billion, three hundred million, twenty-one thousand, eleven".