10551120020201 has 4 divisors (see below), whose sum is σ = 10572609063504. Its totient is φ = 10529630976900.

The previous prime is 10551120020191. The next prime is 10551120020219. The reversal of 10551120020201 is 10202002115501.

10551120020201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10551120020201 - 2²² = 10551115825897 is a prime.

It is a super-2 number, since 2×10551120020201² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10551120023201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10744520915 + ... + 10744521896.

It is an arithmetic number, because the mean of its divisors is an integer number (2643152265876).

Almost surely, 2^{10551120020201} is an apocalyptic number.

It is an amenable number.

10551120020201 is a deficient number, since it is larger than the sum of its proper divisors (21489043303).

10551120020201 is an equidigital number, since it uses as much as digits as its factorization.

10551120020201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21489043302.

The product of its (nonzero) digits is 200, while the sum is 20.

Adding to 10551120020201 its reverse (10202002115501), we get a palindrome (20753122135702).

The spelling of 10551120020201 in words is "ten trillion, five hundred fifty-one billion, one hundred twenty million, twenty thousand, two hundred one".