100121200011122 has 4 divisors (see below), whose sum is σ = 150181800016686. Its totient is φ = 50060600005560.

The previous prime is 100121200011083. The next prime is 100121200011127. The reversal of 100121200011122 is 221110002121001.

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., 54100158588961 + 46021041422161 = 7355281^2 + 6783881^2 .

It is a junction number, because it is equal to n+sod(n) for n = 100121200011097 and 100121200011106.

It is not an unprimeable number, because it can be changed into a prime (100121200011127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25030300002779 + ... + 25030300002782.

Almost surely, 2^{100121200011122} is an apocalyptic number.

100121200011122 is a deficient number, since it is larger than the sum of its proper divisors (50060600005564).

100121200011122 is an equidigital number, since it uses as much as digits as its factorization.

100121200011122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50060600005563.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 100121200011122 its reverse (221110002121001), we get a palindrome (321231202132123).

The spelling of 100121200011122 in words is "one hundred trillion, one hundred twenty-one billion, two hundred million, eleven thousand, one hundred twenty-two".