120022121220001 has 16 divisors (see below), whose sum is σ = 161148582338688. Its totient is φ = 86329597680000.

The previous prime is 120022121219971. The next prime is 120022121220007. The reversal of 120022121220001 is 100022121220021.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 120022121220001 - 2¹³ = 120022121211809 is a prime.

It is a super-2 number, since 2×120022121220001² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (120022121220007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59951108500 + ... + 59951110501.

It is an arithmetic number, because the mean of its divisors is an integer number (10071786396168).

Almost surely, 2^{120022121220001} is an apocalyptic number.

120022121220001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120022121220001 is a deficient number, since it is larger than the sum of its proper divisors (41126461118687).

120022121220001 is a wasteful number, since it uses less digits than its factorization.

120022121220001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119902219032.

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

Adding to 120022121220001 its reverse (100022121220021), we get a palindrome (220044242440022).

The spelling of 120022121220001 in words is "one hundred twenty trillion, twenty-two billion, one hundred twenty-one million, two hundred twenty thousand, one".