101123121122 has 4 divisors (see below), whose sum is σ = 151684681686. Its totient is φ = 50561560560.

The previous prime is 101123121119. The next prime is 101123121259. The reversal of 101123121122 is 221121321101.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 221121321101 = 433 ⋅510672797.

It can be written as a sum of positive squares in only one way, i.e., 91772037721 + 9351083401 = 302939^2 + 96701^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 101123121122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25280780279 + ... + 25280780282.

Almost surely, 2^101123121122 is an apocalyptic number.

101123121122 is a deficient number, since it is larger than the sum of its proper divisors (50561560564).

101123121122 is an equidigital number, since it uses as much as digits as its factorization.

101123121122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50561560563.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 101123121122 its reverse (221121321101), we get a palindrome (322244442223).

The spelling of 101123121122 in words is "one hundred one billion, one hundred twenty-three million, one hundred twenty-one thousand, one hundred twenty-two".