242200122202551 has 32 divisors (see below), whose sum is σ = 330669672841728. Its totient is φ = 157647686232960.

The previous prime is 242200122202547. The next prime is 242200122202559. The reversal of 242200122202551 is 155202221002242.

It is not a de Polignac number, because 242200122202551 - 2² = 242200122202547 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242200122202559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1214560 + ... + 22042581.

It is an arithmetic number, because the mean of its divisors is an integer number (10333427276304).

Almost surely, 2^{242200122202551} is an apocalyptic number.

242200122202551 is a deficient number, since it is larger than the sum of its proper divisors (88469550639177).

242200122202551 is a wasteful number, since it uses less digits than its factorization.

242200122202551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23257671.

The product of its (nonzero) digits is 12800, while the sum is 30.

Adding to 242200122202551 its reverse (155202221002242), we get a palindrome (397402343204793).

The spelling of 242200122202551 in words is "two hundred forty-two trillion, two hundred billion, one hundred twenty-two million, two hundred two thousand, five hundred fifty-one".