1601001120211 has 16 divisors (see below), whose sum is σ = 1771615286784. Its totient is φ = 1439082561664.

The previous prime is 1601001120197. The next prime is 1601001120241. The reversal of 1601001120211 is 1120211001061.

It is not a de Polignac number, because 1601001120211 - 2⁵ = 1601001120179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1601001120241) 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, 2911345 + ... + 3417298.

It is an arithmetic number, because the mean of its divisors is an integer number (110725955424).

Almost surely, 2^{1601001120211} is an apocalyptic number.

1601001120211 is a deficient number, since it is larger than the sum of its proper divisors (170614166573).

1601001120211 is a wasteful number, since it uses less digits than its factorization.

1601001120211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6329330.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 1601001120211 its reverse (1120211001061), we get a palindrome (2721212121272).

The spelling of 1601001120211 in words is "one trillion, six hundred one billion, one million, one hundred twenty thousand, two hundred eleven".