242022101 has 2 divisors, whose sum is σ = 242022102. Its totient is φ = 242022100.

The previous prime is 242022097. The next prime is 242022119. The reversal of 242022101 is 101220242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 173976100 + 68046001 = 13190^2 + 8249^2 .

It is a cyclic number.

It is not a de Polignac number, because 242022101 - 2² = 242022097 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242022161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121011050 + 121011051.

It is an arithmetic number, because the mean of its divisors is an integer number (121011051).

Almost surely, 2^242022101 is an apocalyptic number.

It is an amenable number.

242022101 is a deficient number, since it is larger than the sum of its proper divisors (1).

242022101 is an equidigital number, since it uses as much as digits as its factorization.

242022101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 242022101 is about 15557.0595229304. The cubic root of 242022101 is about 623.1869384315.

Adding to 242022101 its reverse (101220242), we get a palindrome (343242343).

The spelling of 242022101 in words is "two hundred forty-two million, twenty-two thousand, one hundred one".