200120020002111 has 32 divisors (see below), whose sum is σ = 293410794405888. Its totient is φ = 120315452271840.

The previous prime is 200120020002101. The next prime is 200120020002113. The reversal of 200120020002111 is 111200020021002.

It is not a de Polignac number, because 200120020002111 - 2²¹ = 200120017904959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200120020002113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32194500 + ... + 37904166.

It is an arithmetic number, because the mean of its divisors is an integer number (9169087325184).

Almost surely, 2^{200120020002111} is an apocalyptic number.

200120020002111 is a deficient number, since it is larger than the sum of its proper divisors (93290774403777).

200120020002111 is a wasteful number, since it uses less digits than its factorization.

200120020002111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5718171.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 200120020002111 its reverse (111200020021002), we get a palindrome (311320040023113).

The spelling of 200120020002111 in words is "two hundred trillion, one hundred twenty billion, twenty million, two thousand, one hundred eleven".