101121155722 has 4 divisors (see below), whose sum is σ = 151681733586. Its totient is φ = 50560577860.

The previous prime is 101121155719. The next prime is 101121155741. The reversal of 101121155722 is 227551121101.

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., 90708790041 + 10412365681 = 301179^2 + 102041^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25280288929 + ... + 25280288932.

Almost surely, 2^101121155722 is an apocalyptic number.

101121155722 is a deficient number, since it is larger than the sum of its proper divisors (50560577864).

101121155722 is an equidigital number, since it uses as much as digits as its factorization.

101121155722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50560577863.

The product of its (nonzero) digits is 1400, while the sum is 28.

Adding to 101121155722 its reverse (227551121101), we get a palindrome (328672276823).

The spelling of 101121155722 in words is "one hundred one billion, one hundred twenty-one million, one hundred fifty-five thousand, seven hundred twenty-two".