1201210230011 has 4 divisors (see below), whose sum is σ = 1310411160024. Its totient is φ = 1092009300000.

The previous prime is 1201210230001. The next prime is 1201210230037. The reversal of 1201210230011 is 1100320121021.

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

It is a cyclic number.

It is not a de Polignac number, because 1201210230011 - 2²⁶ = 1201143121147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1201210230001) 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, 54600464990 + ... + 54600465011.

It is an arithmetic number, because the mean of its divisors is an integer number (327602790006).

Almost surely, 2^{1201210230011} is an apocalyptic number.

1201210230011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1201210230011 is a deficient number, since it is larger than the sum of its proper divisors (109200930013).

1201210230011 is a wasteful number, since it uses less digits than its factorization.

1201210230011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109200930012.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 1201210230011 its reverse (1100320121021), we get a palindrome (2301530351032).

The spelling of 1201210230011 in words is "one trillion, two hundred one billion, two hundred ten million, two hundred thirty thousand, eleven".