211120202001 has 16 divisors (see below), whose sum is σ = 297844351040. Its totient is φ = 132648192000.

The previous prime is 211120201993. The next prime is 211120202009. The reversal of 211120202001 is 100202021112.

It is an interprime number because it is at equal distance from previous prime (211120201993) and next prime (211120202009).

It is not a de Polignac number, because 211120202001 - 2³ = 211120201993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211120202009) 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, 9584500 + ... + 9606501.

It is an arithmetic number, because the mean of its divisors is an integer number (18615271940).

Almost surely, 2^211120202001 is an apocalyptic number.

It is an amenable number.

211120202001 is a deficient number, since it is larger than the sum of its proper divisors (86724149039).

211120202001 is a wasteful number, since it uses less digits than its factorization.

211120202001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19191216.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 211120202001 its reverse (100202021112), we get a palindrome (311322223113).

The spelling of 211120202001 in words is "two hundred eleven billion, one hundred twenty million, two hundred two thousand, one".