102022222034242 has 4 divisors (see below), whose sum is σ = 153033333051366. Its totient is φ = 51011111017120.

The previous prime is 102022222034153. The next prime is 102022222034267. The reversal of 102022222034242 is 242430222220201.

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

It can be written as a sum of positive squares in only one way, i.e., 71380007871561 + 30642214162681 = 8448669^2 + 5535541^2 .

It is a super-4 number, since 4×102022222034242⁴ (a number of 57 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 102022222034242.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25505555508559 + ... + 25505555508562.

Almost surely, 2^{102022222034242} is an apocalyptic number.

102022222034242 is a deficient number, since it is larger than the sum of its proper divisors (51011111017124).

102022222034242 is an equidigital number, since it uses as much as digits as its factorization.

102022222034242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51011111017123.

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 102022222034242 its reverse (242430222220201), we get a palindrome (344452444254443).

The spelling of 102022222034242 in words is "one hundred two trillion, twenty-two billion, two hundred twenty-two million, thirty-four thousand, two hundred forty-two".