121121100002 has 8 divisors (see below), whose sum is σ = 207636171456. Its totient is φ = 51909042852.

The previous prime is 121121099987. The next prime is 121121100017. The reversal of 121121100002 is 200001121121.

121121100002 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (121121099987) and next prime (121121100017).

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4325753558 + ... + 4325753585.

It is an arithmetic number, because the mean of its divisors is an integer number (25954521432).

Almost surely, 2^121121100002 is an apocalyptic number.

121121100002 is a deficient number, since it is larger than the sum of its proper divisors (86515071454).

121121100002 is an equidigital number, since it uses as much as digits as its factorization.

121121100002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8651507152.

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

Adding to 121121100002 its reverse (200001121121), we get a palindrome (321122221123).

The spelling of 121121100002 in words is "one hundred twenty-one billion, one hundred twenty-one million, one hundred thousand, two".