121100201002 has 8 divisors (see below), whose sum is σ = 198163965312. Its totient is φ = 55045545900.

The previous prime is 121100200997. The next prime is 121100201003. The reversal of 121100201002 is 200102001121.

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 121100201002.

It is not an unprimeable number, because it can be changed into a prime (121100201003) 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, 2752277274 + ... + 2752277317.

It is an arithmetic number, because the mean of its divisors is an integer number (24770495664).

Almost surely, 2^121100201002 is an apocalyptic number.

121100201002 is a deficient number, since it is larger than the sum of its proper divisors (77063764310).

121100201002 is a wasteful number, since it uses less digits than its factorization.

121100201002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5504554604.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 121100201002 its reverse (200102001121), we get a palindrome (321202202123).

The spelling of 121100201002 in words is "one hundred twenty-one billion, one hundred million, two hundred one thousand, two".