242212202101 has 4 divisors (see below), whose sum is σ = 243837787500. Its totient is φ = 240586616704.

The previous prime is 242212202053. The next prime is 242212202117. The reversal of 242212202101 is 101202212242.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 49885222500 + 192326979601 = 223350^2 + 438551^2 .

It is a cyclic number.

It is not a de Polignac number, because 242212202101 - 2¹¹ = 242212200053 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 (242212202131) 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, 812792476 + ... + 812792773.

It is an arithmetic number, because the mean of its divisors is an integer number (60959446875).

Almost surely, 2^242212202101 is an apocalyptic number.

It is an amenable number.

242212202101 is a deficient number, since it is larger than the sum of its proper divisors (1625585399).

242212202101 is a wasteful number, since it uses less digits than its factorization.

242212202101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1625585398.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 242212202101 its reverse (101202212242), we get a palindrome (343414414343).

The spelling of 242212202101 in words is "two hundred forty-two billion, two hundred twelve million, two hundred two thousand, one hundred one".