100121303122 has 4 divisors (see below), whose sum is σ = 150181954686. Its totient is φ = 50060651560.

The previous prime is 100121303081. The next prime is 100121303137. The reversal of 100121303122 is 221303121001.

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., 93930603361 + 6190699761 = 306481^2 + 78681^2 .

It is a junction number, because it is equal to n+sod(n) for n = 100121303096 and 100121303105.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25030325779 + ... + 25030325782.

Almost surely, 2^100121303122 is an apocalyptic number.

100121303122 is a deficient number, since it is larger than the sum of its proper divisors (50060651564).

100121303122 is an equidigital number, since it uses as much as digits as its factorization.

100121303122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50060651563.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 100121303122 its reverse (221303121001), we get a palindrome (321424424123).

The spelling of 100121303122 in words is "one hundred billion, one hundred twenty-one million, three hundred three thousand, one hundred twenty-two".