121000000202 has 8 divisors (see below), whose sum is σ = 189391304736. Its totient is φ = 57869565292.

The previous prime is 121000000201. The next prime is 121000000213. The reversal of 121000000202 is 202000000121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 121000000202.

It is not an unprimeable number, because it can be changed into a prime (121000000201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1315217348 + ... + 1315217439.

It is an arithmetic number, because the mean of its divisors is an integer number (23673913092).

Almost surely, 2^121000000202 is an apocalyptic number.

121000000202 is a deficient number, since it is larger than the sum of its proper divisors (68391304534).

121000000202 is a wasteful number, since it uses less digits than its factorization.

121000000202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2630434812.

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

Adding to 121000000202 its reverse (202000000121), we get a palindrome (323000000323).

The spelling of 121000000202 in words is "one hundred twenty-one billion, two hundred two", and thus it is an aban number.