2101011120211 has 4 divisors (see below), whose sum is σ = 2112011178624. Its totient is φ = 2090011061800.

The previous prime is 2101011120167. The next prime is 2101011120239. The reversal of 2101011120211 is 1120211101012.

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 2101011120211 - 2²¹ = 2101009023059 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2101011120191 and 2101011120200.

It is not an unprimeable number, because it can be changed into a prime (2101012120211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5500028920 + ... + 5500029301.

It is an arithmetic number, because the mean of its divisors is an integer number (528002794656).

Almost surely, 2^{2101011120211} is an apocalyptic number.

2101011120211 is a deficient number, since it is larger than the sum of its proper divisors (11000058413).

2101011120211 is a wasteful number, since it uses less digits than its factorization.

2101011120211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11000058412.

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

Adding to 2101011120211 its reverse (1120211101012), we get a palindrome (3221222221223).

It can be divided in two parts, 2101011 and 120211, that added together give a palindrome (2221222).

The spelling of 2101011120211 in words is "two trillion, one hundred one billion, eleven million, one hundred twenty thousand, two hundred eleven".