1121201202001 has 16 divisors (see below), whose sum is σ = 1181592601600. Its totient is φ = 1060948482048.

The previous prime is 1121201201947. The next prime is 1121201202061. The reversal of 1121201202001 is 1002021021211.

It is not a de Polignac number, because 1121201202001 - 2⁹ = 1121201201489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121201202061) 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, 104907280 + ... + 104917966.

It is an arithmetic number, because the mean of its divisors is an integer number (73849537600).

Almost surely, 2^{1121201202001} is an apocalyptic number.

It is an amenable number.

1121201202001 is a deficient number, since it is larger than the sum of its proper divisors (60391399599).

1121201202001 is a wasteful number, since it uses less digits than its factorization.

1121201202001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16648.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1121201202001 its reverse (1002021021211), we get a palindrome (2123222223212).

The spelling of 1121201202001 in words is "one trillion, one hundred twenty-one billion, two hundred one million, two hundred two thousand, one".