120221120212131 has 32 divisors (see below), whose sum is σ = 164263774766080. Its totient is φ = 78189546387744.

The previous prime is 120221120212097. The next prime is 120221120212139. The reversal of 120221120212131 is 131212021122021.

It is not a de Polignac number, because 120221120212131 - 2⁷ = 120221120212003 is a prime.

It is a super-2 number, since 2×120221120212131² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120221120212098 and 120221120212107.

It is not an unprimeable number, because it can be changed into a prime (120221120212139) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 2788860 + ... + 15754998.

It is an arithmetic number, because the mean of its divisors is an integer number (5133242961440).

Almost surely, 2^{120221120212131} is an apocalyptic number.

120221120212131 is a deficient number, since it is larger than the sum of its proper divisors (44042654553949).

120221120212131 is a wasteful number, since it uses less digits than its factorization.

120221120212131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12966655.

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 120221120212131 its reverse (131212021122021), we get a palindrome (251433141334152).

The spelling of 120221120212131 in words is "one hundred twenty trillion, two hundred twenty-one billion, one hundred twenty million, two hundred twelve thousand, one hundred thirty-one".