2120210200111 has 4 divisors (see below), whose sum is σ = 2120231405800. Its totient is φ = 2120188994424.

The previous prime is 2120210200081. The next prime is 2120210200133. The reversal of 2120210200111 is 1110020120212.

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 2120210200111 - 2⁷ = 2120210199983 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2120210200091 and 2120210200100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120210800111) 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, 10452156 + ... + 10653073.

It is an arithmetic number, because the mean of its divisors is an integer number (530057851450).

Almost surely, 2^{2120210200111} is an apocalyptic number.

2120210200111 is a deficient number, since it is larger than the sum of its proper divisors (21205689).

2120210200111 is a wasteful number, since it uses less digits than its factorization.

2120210200111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21205688.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2120210200111 its reverse (1110020120212), we get a palindrome (3230230320323).

The spelling of 2120210200111 in words is "two trillion, one hundred twenty billion, two hundred ten million, two hundred thousand, one hundred eleven".