211120021101 has 8 divisors (see below), whose sum is σ = 307083667104. Its totient is φ = 127951527920.

The previous prime is 211120021069. The next prime is 211120021109. The reversal of 211120021101 is 101120021112.

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 211120021101 - 2⁵ = 211120021069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211120021109) 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, 3198788166 + ... + 3198788231.

It is an arithmetic number, because the mean of its divisors is an integer number (38385458388).

Almost surely, 2^211120021101 is an apocalyptic number.

It is an amenable number.

211120021101 is a deficient number, since it is larger than the sum of its proper divisors (95963646003).

211120021101 is a wasteful number, since it uses less digits than its factorization.

211120021101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6397576411.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 211120021101 its reverse (101120021112), we get a palindrome (312240042213).

The spelling of 211120021101 in words is "two hundred eleven billion, one hundred twenty million, twenty-one thousand, one hundred one".