211020111102101 has 8 divisors (see below), whose sum is σ = 245119379641344. Its totient is φ = 177909227158320.

The previous prime is 211020111102091. The next prime is 211020111102109. The reversal of 211020111102101 is 101201111020112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-211020111102101 is a prime.

It is a super-2 number, since 2×211020111102101² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211020111102109) 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, 247096148405 + ... + 247096149258.

It is an arithmetic number, because the mean of its divisors is an integer number (30639922455168).

Almost surely, 2^{211020111102101} is an apocalyptic number.

It is an amenable number.

211020111102101 is a deficient number, since it is larger than the sum of its proper divisors (34099268539243).

211020111102101 is an equidigital number, since it uses as much as digits as its factorization.

211020111102101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494192297731.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 211020111102101 its reverse (101201111020112), we get a palindrome (312221222122213).

The spelling of 211020111102101 in words is "two hundred eleven trillion, twenty billion, one hundred eleven million, one hundred two thousand, one hundred one".