100020121001002 has 16 divisors (see below), whose sum is σ = 150379660944000. Its totient is φ = 49893569485920.

The previous prime is 100020121000993. The next prime is 100020121001063. The reversal of 100020121001002 is 200100121020001.

It is a self number, because there is not a number n which added to its sum of digits gives 100020121001002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105596749 + ... + 106539727.

It is an arithmetic number, because the mean of its divisors is an integer number (9398728809000).

Almost surely, 2^{100020121001002} is an apocalyptic number.

100020121001002 is a deficient number, since it is larger than the sum of its proper divisors (50359539942998).

100020121001002 is a wasteful number, since it uses less digits than its factorization.

100020121001002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1066461.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 100020121001002 its reverse (200100121020001), we get a palindrome (300120242021003).

The spelling of 100020121001002 in words is "one hundred trillion, twenty billion, one hundred twenty-one million, one thousand, two".