101211402242242 has 4 divisors (see below), whose sum is σ = 151817103363366. Its totient is φ = 50605701121120.

The previous prime is 101211402242239. The next prime is 101211402242261. The reversal of 101211402242242 is 242242204112101.

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., 85667630773761 + 15543771468481 = 9255681^2 + 3942559^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 101211402242242.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25302850560559 + ... + 25302850560562.

Almost surely, 2^{101211402242242} is an apocalyptic number.

101211402242242 is a deficient number, since it is larger than the sum of its proper divisors (50605701121124).

101211402242242 is an equidigital number, since it uses as much as digits as its factorization.

101211402242242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50605701121123.

The product of its (nonzero) digits is 4096, while the sum is 28.

Adding to 101211402242242 its reverse (242242204112101), we get a palindrome (343453606354343).

The spelling of 101211402242242 in words is "one hundred one trillion, two hundred eleven billion, four hundred two million, two hundred forty-two thousand, two hundred forty-two".