101422551 has 16 divisors (see below), whose sum is σ = 142567040. Its totient is φ = 63957600.

The previous prime is 101422537. The next prime is 101422567. The reversal of 101422551 is 155224101.

It is not a de Polignac number, because 101422551 - 2⁶ = 101422487 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 (101422501) 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, 59061 + ... + 60753.

It is an arithmetic number, because the mean of its divisors is an integer number (8910440).

Almost surely, 2^101422551 is an apocalyptic number.

101422551 is a deficient number, since it is larger than the sum of its proper divisors (41144489).

101422551 is a wasteful number, since it uses less digits than its factorization.

101422551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2766.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 101422551 is about 10070.8763769595. The cubic root of 101422551 is about 466.3494940612.

Adding to 101422551 its reverse (155224101), we get a palindrome (256646652).

The spelling of 101422551 in words is "one hundred one million, four hundred twenty-two thousand, five hundred fifty-one".