210120200111 has 8 divisors (see below), whose sum is σ = 211138117680. Its totient is φ = 209103155712.

The previous prime is 210120200077. The next prime is 210120200113. The reversal of 210120200111 is 111002021012.

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

It is a cyclic number.

It is not a de Polignac number, because 210120200111 - 2¹⁴ = 210120183727 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210120200092 and 210120200101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210120200113) 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, 266756 + ... + 700998.

It is an arithmetic number, because the mean of its divisors is an integer number (26392264710).

Almost surely, 2^210120200111 is an apocalyptic number.

210120200111 is a deficient number, since it is larger than the sum of its proper divisors (1017917569).

210120200111 is a wasteful number, since it uses less digits than its factorization.

210120200111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436585.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 210120200111 its reverse (111002021012), we get a palindrome (321122221123).

The spelling of 210120200111 in words is "two hundred ten billion, one hundred twenty million, two hundred thousand, one hundred eleven".