121121112002 has 8 divisors (see below), whose sum is σ = 198198183312. Its totient is φ = 55055050900.

The previous prime is 121121111941. The next prime is 121121112023. The reversal of 121121112002 is 200211121121.

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, 2752752524 + ... + 2752752567.

It is an arithmetic number, because the mean of its divisors is an integer number (24774772914).

Almost surely, 2^121121112002 is an apocalyptic number.

121121112002 is a deficient number, since it is larger than the sum of its proper divisors (77077071310).

121121112002 is a wasteful number, since it uses less digits than its factorization.

121121112002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5505505104.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 121121112002 its reverse (200211121121), we get a palindrome (321332233123).

The spelling of 121121112002 in words is "one hundred twenty-one billion, one hundred twenty-one million, one hundred twelve thousand, two".