1621030073101 has 8 divisors (see below), whose sum is σ = 1659784068864. Its totient is φ = 1582704298560.

The previous prime is 1621030073093. The next prime is 1621030073107. The reversal of 1621030073101 is 1013700301261.

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 1621030073101 - 2³ = 1621030073093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1621030073107) 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, 107047645 + ... + 107062786.

It is an arithmetic number, because the mean of its divisors is an integer number (207473008608).

Almost surely, 2^{1621030073101} is an apocalyptic number.

It is an amenable number.

1621030073101 is a deficient number, since it is larger than the sum of its proper divisors (38753995763).

1621030073101 is a wasteful number, since it uses less digits than its factorization.

1621030073101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214110611.

The product of its (nonzero) digits is 756, while the sum is 25.

Adding to 1621030073101 its reverse (1013700301261), we get a palindrome (2634730374362).

The spelling of 1621030073101 in words is "one trillion, six hundred twenty-one billion, thirty million, seventy-three thousand, one hundred one".