121021121200002 has 8 divisors (see below), whose sum is σ = 242042242400016. Its totient is φ = 40340373733332.

The previous prime is 121021121199929. The next prime is 121021121200019. The reversal of 121021121200002 is 200002121120121.

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

121021121200002 is an admirable number.

It is a super-2 number, since 2×121021121200002² (a number of 29 digits) contains 22 as substring.

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, 10085093433328 + ... + 10085093433339.

It is an arithmetic number, because the mean of its divisors is an integer number (30255280300002).

Almost surely, 2^{121021121200002} is an apocalyptic number.

121021121200002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121021121200002 is a wasteful number, since it uses less digits than its factorization.

121021121200002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20170186866672.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 121021121200002 its reverse (200002121120121), we get a palindrome (321023242320123).

The spelling of 121021121200002 in words is "one hundred twenty-one trillion, twenty-one billion, one hundred twenty-one million, two hundred thousand, two".