120213133012221 has 16 divisors (see below), whose sum is σ = 162913858470720. Its totient is φ = 78827281528320.

The previous prime is 120213133012153. The next prime is 120213133012303. The reversal of 120213133012221 is 122210331312021.

It is not a de Polignac number, because 120213133012221 - 2¹⁵ = 120213132979453 is a prime.

It is a super-2 number, since 2×120213133012221² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 120213133012191 and 120213133012200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120213133017221) 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, 10391890 + ... + 18665948.

It is an arithmetic number, because the mean of its divisors is an integer number (10182116154420).

Almost surely, 2^{120213133012221} is an apocalyptic number.

It is an amenable number.

120213133012221 is a deficient number, since it is larger than the sum of its proper divisors (42700725458499).

120213133012221 is an equidigital number, since it uses as much as digits as its factorization.

120213133012221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8353516.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 120213133012221 its reverse (122210331312021), we get a palindrome (242423464324242).

The spelling of 120213133012221 in words is "one hundred twenty trillion, two hundred thirteen billion, one hundred thirty-three million, twelve thousand, two hundred twenty-one".