200120021011111 has 8 divisors (see below), whose sum is σ = 200354566414464. Its totient is φ = 199885495724280.

The previous prime is 200120021011109. The next prime is 200120021011123. The reversal of 200120021011111 is 111110120021002.

It is a happy number.

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 200120021011111 - 2¹ = 200120021011109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200120021011091 and 200120021011100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200120021011151) 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, 14924976 + ... + 24959866.

It is an arithmetic number, because the mean of its divisors is an integer number (25044320801808).

Almost surely, 2^{200120021011111} is an apocalyptic number.

200120021011111 is a deficient number, since it is larger than the sum of its proper divisors (234545403353).

200120021011111 is a wasteful number, since it uses less digits than its factorization.

200120021011111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10058261.

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

Adding to 200120021011111 its reverse (111110120021002), we get a palindrome (311230141032113).

The spelling of 200120021011111 in words is "two hundred trillion, one hundred twenty billion, twenty-one million, eleven thousand, one hundred eleven".