211120200121 has 8 divisors (see below), whose sum is σ = 214282252800. Its totient is φ = 207958471248.

The previous prime is 211120200089. The next prime is 211120200169. The reversal of 211120200121 is 121002021112.

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 211120200121 - 2⁵ = 211120200089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211120200821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1447080 + ... + 1586278.

It is an arithmetic number, because the mean of its divisors is an integer number (26785281600).

Almost surely, 2^211120200121 is an apocalyptic number.

It is an amenable number.

211120200121 is a deficient number, since it is larger than the sum of its proper divisors (3162052679).

211120200121 is a wasteful number, since it uses less digits than its factorization.

211120200121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161903.

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

Adding to 211120200121 its reverse (121002021112), we get a palindrome (332122221233).

The spelling of 211120200121 in words is "two hundred eleven billion, one hundred twenty million, two hundred thousand, one hundred twenty-one".