121203003011 has 4 divisors (see below), whose sum is σ = 122275596072. Its totient is φ = 120130409952.

The previous prime is 121203002983. The next prime is 121203003017. The reversal of 121203003011 is 110300302121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121203003011 is a prime.

It is a super-2 number, since 2×121203003011² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121203003017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 536296361 + ... + 536296586.

It is an arithmetic number, because the mean of its divisors is an integer number (30568899018).

Almost surely, 2^121203003011 is an apocalyptic number.

121203003011 is a deficient number, since it is larger than the sum of its proper divisors (1072593061).

121203003011 is a wasteful number, since it uses less digits than its factorization.

121203003011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1072593060.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 121203003011 its reverse (110300302121), we get a palindrome (231503305132).

The spelling of 121203003011 in words is "one hundred twenty-one billion, two hundred three million, three thousand, eleven".