121222110100130 has 32 divisors (see below), whose sum is σ = 234986536666224. Its totient is φ = 44758525602816.

The previous prime is 121222110100111. The next prime is 121222110100159. The reversal of 121222110100130 is 31001011222121.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 1615362198961 + 119606747901169 = 1270969^2 + 10936487^2 .

It is a junction number, because it is equal to n+sod(n) for n = 121222110100099 and 121222110100108.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10286174 + ... + 18661446.

Almost surely, 2^{121222110100130} is an apocalyptic number.

121222110100130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121222110100130 is a deficient number, since it is larger than the sum of its proper divisors (113764426566094).

121222110100130 is a wasteful number, since it uses less digits than its factorization.

121222110100130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8486630.

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

Adding to 121222110100130 its reverse (31001011222121), we get a palindrome (152223121322251).

The spelling of 121222110100130 in words is "one hundred twenty-one trillion, two hundred twenty-two billion, one hundred ten million, one hundred thousand, one hundred thirty".