100102001121021 has 8 divisors (see below), whose sum is σ = 133470180208000. Its totient is φ = 66734244724032.

The previous prime is 100102001120993. The next prime is 100102001121071. The reversal of 100102001121021 is 120121100201001.

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

It is not a de Polignac number, because 100102001121021 - 2¹⁵ = 100102001088253 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100102001120988 and 100102001121006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100102001121071) 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, 105119500 + ... + 106067493.

It is an arithmetic number, because the mean of its divisors is an integer number (16683772526000).

Almost surely, 2^{100102001121021} is an apocalyptic number.

It is an amenable number.

100102001121021 is a deficient number, since it is larger than the sum of its proper divisors (33368179086979).

100102001121021 is a wasteful number, since it uses less digits than its factorization.

100102001121021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211344995.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 100102001121021 its reverse (120121100201001), we get a palindrome (220223101322022).

The spelling of 100102001121021 in words is "one hundred trillion, one hundred two billion, one million, one hundred twenty-one thousand, twenty-one".