200102121011 has 12 divisors (see below), whose sum is σ = 216691222320. Its totient is φ = 184698914400.

The previous prime is 200102120993. The next prime is 200102121059. The reversal of 200102121011 is 110121201002.

It is a de Polignac number, because none of the positive numbers 2^k-200102121011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200102120983 and 200102121001.

It is not an unprimeable number, because it can be changed into a prime (200102121311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5779610 + ... + 5814128.

It is an arithmetic number, because the mean of its divisors is an integer number (18057601860).

Almost surely, 2^200102121011 is an apocalyptic number.

200102121011 is a deficient number, since it is larger than the sum of its proper divisors (16589101309).

200102121011 is a wasteful number, since it uses less digits than its factorization.

200102121011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68846 (or 68833 counting only the distinct ones).

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

Adding to 200102121011 its reverse (110121201002), we get a palindrome (310223322013).

The spelling of 200102121011 in words is "two hundred billion, one hundred two million, one hundred twenty-one thousand, eleven".