121221100011002 has 8 divisors (see below), whose sum is σ = 189737373930336. Its totient is φ = 57975308700892.

The previous prime is 121221100010987. The next prime is 121221100011007. The reversal of 121221100011002 is 200110001122121.

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

It is not an unprimeable number, because it can be changed into a prime (121221100011007) 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, 1317620652248 + ... + 1317620652339.

It is an arithmetic number, because the mean of its divisors is an integer number (23717171741292).

Almost surely, 2^{121221100011002} is an apocalyptic number.

121221100011002 is a deficient number, since it is larger than the sum of its proper divisors (68516273919334).

121221100011002 is a wasteful number, since it uses less digits than its factorization.

121221100011002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2635241304612.

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

Adding to 121221100011002 its reverse (200110001122121), we get a palindrome (321331101133123).

The spelling of 121221100011002 in words is "one hundred twenty-one trillion, two hundred twenty-one billion, one hundred million, eleven thousand, two".