211120002210101 has 4 divisors (see below), whose sum is σ = 211577963169804. Its totient is φ = 210662041250400.

The previous prime is 211120002210083. The next prime is 211120002210113. The reversal of 211120002210101 is 101012200021112.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 38139900414001 + 172980101796100 = 6175751^2 + 13152190^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211120002210101 is a prime.

It is a super-2 number, since 2×211120002210101² (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 (211120002210301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228980479160 + ... + 228980480081.

It is an arithmetic number, because the mean of its divisors is an integer number (52894490792451).

Almost surely, 2^{211120002210101} is an apocalyptic number.

It is an amenable number.

211120002210101 is a deficient number, since it is larger than the sum of its proper divisors (457960959703).

211120002210101 is an equidigital number, since it uses as much as digits as its factorization.

211120002210101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457960959702.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 211120002210101 its reverse (101012200021112), we get a palindrome (312132202231213).

The spelling of 211120002210101 in words is "two hundred eleven trillion, one hundred twenty billion, two million, two hundred ten thousand, one hundred one".