242201211131 has 4 divisors (see below), whose sum is σ = 264219503064. Its totient is φ = 220182919200.

The previous prime is 242201211103. The next prime is 242201211137. The reversal of 242201211131 is 131112102242.

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 242201211131 - 2²² = 242197016827 is a prime.

It is a super-2 number, since 2×242201211131² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (242201211137) 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, 11009145950 + ... + 11009145971.

It is an arithmetic number, because the mean of its divisors is an integer number (66054875766).

Almost surely, 2^242201211131 is an apocalyptic number.

242201211131 is a deficient number, since it is larger than the sum of its proper divisors (22018291933).

242201211131 is a wasteful number, since it uses less digits than its factorization.

242201211131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22018291932.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 242201211131 its reverse (131112102242), we get a palindrome (373313313373).

The spelling of 242201211131 in words is "two hundred forty-two billion, two hundred one million, two hundred eleven thousand, one hundred thirty-one".