120222021212121 has 32 divisors (see below), whose sum is σ = 183211617173760. Its totient is φ = 69665651922944.

The previous prime is 120222021212107. The next prime is 120222021212149. The reversal of 120222021212121 is 121212120222021.

It is a cyclic number.

It is not a de Polignac number, because 120222021212121 - 2¹³ = 120222021203929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120222021212191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1767053340 + ... + 1767121373.

It is an arithmetic number, because the mean of its divisors is an integer number (5725363036680).

Almost surely, 2^{120222021212121} is an apocalyptic number.

It is an amenable number.

120222021212121 is a deficient number, since it is larger than the sum of its proper divisors (62989595961639).

120222021212121 is a wasteful number, since it uses less digits than its factorization.

120222021212121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3534174785.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 120222021212121 its reverse (121212120222021), we get a palindrome (241434141434142).

The spelling of 120222021212121 in words is "one hundred twenty trillion, two hundred twenty-two billion, twenty-one million, two hundred twelve thousand, one hundred twenty-one".