200102121101121 has 32 divisors (see below), whose sum is σ = 269588030976000. Its totient is φ = 132016746904320.

The previous prime is 200102121101063. The next prime is 200102121101131. The reversal of 200102121101121 is 121101121201002.

It is a happy number.

It is not a de Polignac number, because 200102121101121 - 2¹⁰ = 200102121100097 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 200102121101121.

It is not an unprimeable number, because it can be changed into a prime (200102121101131) 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, 191923180 + ... + 192962978.

It is an arithmetic number, because the mean of its divisors is an integer number (8424625968000).

Almost surely, 2^{200102121101121} is an apocalyptic number.

It is an amenable number.

200102121101121 is a deficient number, since it is larger than the sum of its proper divisors (69485909874879).

200102121101121 is a wasteful number, since it uses less digits than its factorization.

200102121101121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1041709.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 200102121101121 its reverse (121101121201002), we get a palindrome (321203242302123).

The spelling of 200102121101121 in words is "two hundred trillion, one hundred two billion, one hundred twenty-one million, one hundred one thousand, one hundred twenty-one".