10101105551 has 4 divisors (see below), whose sum is σ = 10101330504. Its totient is φ = 10100880600.

The previous prime is 10101105517. The next prime is 10101105563. The reversal of 10101105551 is 15550110101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10101105551 - 2¹⁰ = 10101104527 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 (10101105571) 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, 19505 + ... + 143466.

It is an arithmetic number, because the mean of its divisors is an integer number (2525332626).

Almost surely, 2^10101105551 is an apocalyptic number.

10101105551 is a deficient number, since it is larger than the sum of its proper divisors (224953).

10101105551 is an equidigital number, since it uses as much as digits as its factorization.

10101105551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224952.

The product of its (nonzero) digits is 125, while the sum is 20.

Adding to 10101105551 its reverse (15550110101), we get a palindrome (25651215652).

The spelling of 10101105551 in words is "ten billion, one hundred one million, one hundred five thousand, five hundred fifty-one".