121230202011 has 8 divisors (see below), whose sum is σ = 161972181504. Its totient is φ = 80654178600.

The previous prime is 121230202003. The next prime is 121230202013. The reversal of 121230202011 is 110202032121.

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

It is not a de Polignac number, because 121230202011 - 2³ = 121230202003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121230202013) 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, 41487315 + ... + 41490236.

It is an arithmetic number, because the mean of its divisors is an integer number (20246522688).

Almost surely, 2^121230202011 is an apocalyptic number.

121230202011 is a deficient number, since it is larger than the sum of its proper divisors (40741979493).

121230202011 is an equidigital number, since it uses as much as digits as its factorization.

121230202011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82978041.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 121230202011 its reverse (110202032121), we get a palindrome (231432234132).

The spelling of 121230202011 in words is "one hundred twenty-one billion, two hundred thirty million, two hundred two thousand, eleven".