210005554120001 has 16 divisors (see below), whose sum is σ = 220458279000960. Its totient is φ = 199664121634560.

The previous prime is 210005554119961. The next prime is 210005554120013. The reversal of 210005554120001 is 100021455500012.

It is not a de Polignac number, because 210005554120001 - 2¹⁰ = 210005554118977 is a prime.

It is a super-2 number, since 2×210005554120001² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210005554120091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4506680 + ... + 20983833.

It is an arithmetic number, because the mean of its divisors is an integer number (13778642437560).

Almost surely, 2^{210005554120001} is an apocalyptic number.

It is an amenable number.

210005554120001 is a deficient number, since it is larger than the sum of its proper divisors (10452724880959).

210005554120001 is a wasteful number, since it uses less digits than its factorization.

210005554120001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25492696.

The product of its (nonzero) digits is 2000, while the sum is 26.

The spelling of 210005554120001 in words is "two hundred ten trillion, five billion, five hundred fifty-four million, one hundred twenty thousand, one".