200102121111 has 8 divisors (see below), whose sum is σ = 266809538304. Its totient is φ = 133398059000.

The previous prime is 200102121073. The next prime is 200102121113. The reversal of 200102121111 is 111121201002.

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 200102121111 - 2⁹ = 200102120599 is a prime.

It is a super-3 number, since 3×200102121111³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200102121113) 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, 696141 + ... + 940646.

It is an arithmetic number, because the mean of its divisors is an integer number (33351192288).

Almost surely, 2^200102121111 is an apocalyptic number.

200102121111 is a deficient number, since it is larger than the sum of its proper divisors (66707417193).

200102121111 is a wasteful number, since it uses less digits than its factorization.

200102121111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1677541.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 200102121111 its reverse (111121201002), we get a palindrome (311223322113).

The spelling of 200102121111 in words is "two hundred billion, one hundred two million, one hundred twenty-one thousand, one hundred eleven".