242110101221731 has 2 divisors, whose sum is σ = 242110101221732. Its totient is φ = 242110101221730.

The previous prime is 242110101221701. The next prime is 242110101221761. The reversal of 242110101221731 is 137122101011242.

It is a balanced prime because it is at equal distance from previous prime (242110101221701) and next prime (242110101221761).

It is a cyclic number.

It is not a de Polignac number, because 242110101221731 - 2⁵ = 242110101221699 is a prime.

It is a super-2 number, since 2×242110101221731² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 242110101221731.

It is not a weakly prime, because it can be changed into another prime (242110101221701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121055050610865 + 121055050610866.

It is an arithmetic number, because the mean of its divisors is an integer number (121055050610866).

Almost surely, 2^{242110101221731} is an apocalyptic number.

242110101221731 is a deficient number, since it is larger than the sum of its proper divisors (1).

242110101221731 is an equidigital number, since it uses as much as digits as its factorization.

242110101221731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 28.

Adding to 242110101221731 its reverse (137122101011242), we get a palindrome (379232202232973).

The spelling of 242110101221731 in words is "two hundred forty-two trillion, one hundred ten billion, one hundred one million, two hundred twenty-one thousand, seven hundred thirty-one".