230121203011 has 16 divisors (see below), whose sum is σ = 266719025664. Its totient is φ = 194471097984.

The previous prime is 230121203009. The next prime is 230121203017. The reversal of 230121203011 is 110302121032.

It is a cyclic number.

It is not a de Polignac number, because 230121203011 - 2¹ = 230121203009 is a prime.

It is a super-2 number, since 2×230121203011² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (230121203017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 539350 + ... + 866683.

It is an arithmetic number, because the mean of its divisors is an integer number (16669939104).

Almost surely, 2^230121203011 is an apocalyptic number.

230121203011 is a deficient number, since it is larger than the sum of its proper divisors (36597822653).

230121203011 is a wasteful number, since it uses less digits than its factorization.

230121203011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1406370.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 230121203011 its reverse (110302121032), we get a palindrome (340423324043).

The spelling of 230121203011 in words is "two hundred thirty billion, one hundred twenty-one million, two hundred three thousand, eleven".