100121020321201 has 8 divisors (see below), whose sum is σ = 111283741283904. Its totient is φ = 89301767695920.

The previous prime is 100121020321169. The next prime is 100121020321211. The reversal of 100121020321201 is 102123020121001.

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

It is a cyclic number.

It is not a de Polignac number, because 100121020321201 - 2⁵ = 100121020321169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100121020321211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85867083741 + ... + 85867084906.

It is an arithmetic number, because the mean of its divisors is an integer number (13910467660488).

Almost surely, 2^{100121020321201} is an apocalyptic number.

100121020321201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

100121020321201 is a deficient number, since it is larger than the sum of its proper divisors (11162720962703).

100121020321201 is a wasteful number, since it uses less digits than its factorization.

100121020321201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171734168711.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 100121020321201 its reverse (102123020121001), we get a palindrome (202244040442202).

The spelling of 100121020321201 in words is "one hundred trillion, one hundred twenty-one billion, twenty million, three hundred twenty-one thousand, two hundred one".