2101120101211 has 4 divisors (see below), whose sum is σ = 2168898169024. Its totient is φ = 2033342033400.

The previous prime is 2101120101191. The next prime is 2101120101239. The reversal of 2101120101211 is 1121010211012.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2101120101211 - 2¹³ = 2101120093019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2101120101191 and 2101120101200.

It is not an unprimeable number, because it can be changed into a prime (2101120101271) 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, 33889033860 + ... + 33889033921.

It is an arithmetic number, because the mean of its divisors is an integer number (542224542256).

Almost surely, 2^{2101120101211} is an apocalyptic number.

2101120101211 is a deficient number, since it is larger than the sum of its proper divisors (67778067813).

2101120101211 is an equidigital number, since it uses as much as digits as its factorization.

2101120101211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67778067812.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 2101120101211 its reverse (1121010211012), we get a palindrome (3222130312223).

The spelling of 2101120101211 in words is "two trillion, one hundred one billion, one hundred twenty million, one hundred one thousand, two hundred eleven".