100121012020002 has 8 divisors (see below), whose sum is σ = 200242024040016. Its totient is φ = 33373670673332.

The previous prime is 100121012019997. The next prime is 100121012020027. The reversal of 100121012020002 is 200020210121001.

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

100121012020002 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 100121012020002.

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, 8343417668328 + ... + 8343417668339.

It is an arithmetic number, because the mean of its divisors is an integer number (25030253005002).

Almost surely, 2^{100121012020002} is an apocalyptic number.

100121012020002 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.

100121012020002 is a wasteful number, since it uses less digits than its factorization.

100121012020002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16686835336672.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 100121012020002 its reverse (200020210121001), we get a palindrome (300141222141003).

The spelling of 100121012020002 in words is "one hundred trillion, one hundred twenty-one billion, twelve million, twenty thousand, two".