120121002020122 has 4 divisors (see below), whose sum is σ = 180181503030186. Its totient is φ = 60060501010060.

The previous prime is 120121002020119. The next prime is 120121002020137. The reversal of 120121002020122 is 221020200121021.

It is a happy number.

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., 119989217773681 + 131784246441 = 10953959^2 + 363021^2 .

It is a junction number, because it is equal to n+sod(n) for n = 120121002020096 and 120121002020105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30030250505029 + ... + 30030250505032.

Almost surely, 2^{120121002020122} is an apocalyptic number.

120121002020122 is a deficient number, since it is larger than the sum of its proper divisors (60060501010064).

120121002020122 is an equidigital number, since it uses as much as digits as its factorization.

120121002020122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60060501010063.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 120121002020122 its reverse (221020200121021), we get a palindrome (341141202141143).

The spelling of 120121002020122 in words is "one hundred twenty trillion, one hundred twenty-one billion, two million, twenty thousand, one hundred twenty-two".