10001022551 has 4 divisors (see below), whose sum is σ = 10770331992. Its totient is φ = 9231713112.

The previous prime is 10001022547. The next prime is 10001022569. The reversal of 10001022551 is 15522010001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15522010001 = 4441 ⋅3495161.

It is a cyclic number.

It is not a de Polignac number, because 10001022551 - 2² = 10001022547 is a prime.

It is a super-2 number, since 2×10001022551² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10001022751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 384654701 + ... + 384654726.

It is an arithmetic number, because the mean of its divisors is an integer number (2692582998).

Almost surely, 2^10001022551 is an apocalyptic number.

10001022551 is a deficient number, since it is larger than the sum of its proper divisors (769309441).

10001022551 is an equidigital number, since it uses as much as digits as its factorization.

10001022551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769309440.

The product of its (nonzero) digits is 100, while the sum is 17.

Adding to 10001022551 its reverse (15522010001), we get a palindrome (25523032552).

The spelling of 10001022551 in words is "ten billion, one million, twenty-two thousand, five hundred fifty-one".