1201220202011 has 8 divisors (see below), whose sum is σ = 1272547201680. Its totient is φ = 1129967312128.

The previous prime is 1201220201959. The next prime is 1201220202029. The reversal of 1201220202011 is 1102020221021.

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

It is a cyclic number.

It is not a de Polignac number, because 1201220202011 - 2³⁰ = 1200146460187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1201220222011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18494066 + ... + 18558903.

It is an arithmetic number, because the mean of its divisors is an integer number (159068400210).

Almost surely, 2^{1201220202011} is an apocalyptic number.

1201220202011 is a deficient number, since it is larger than the sum of its proper divisors (71326999669).

1201220202011 is a wasteful number, since it uses less digits than its factorization.

1201220202011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37054893.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1201220202011 its reverse (1102020221021), we get a palindrome (2303240423032).

The spelling of 1201220202011 in words is "one trillion, two hundred one billion, two hundred twenty million, two hundred two thousand, eleven".