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120221132131 is a prime number
BaseRepresentation
bin110111111110110111…
…1001110010101100011
3102111022102021021202101
41233331233032111203
53432203102212011
6131121232031231
711454122522332
oct1577557162543
9374272237671
10120221132131
1146a92770a51
121b371992517
13b44bc60199
145b66869d19
1531d95d62c1
hex1bfdbce563

120221132131 has 2 divisors, whose sum is σ = 120221132132. Its totient is φ = 120221132130.

The previous prime is 120221132123. The next prime is 120221132159. The reversal of 120221132131 is 131231122021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120221132131 - 23 = 120221132123 is a prime.

It is a super-2 number, since 2×1202211321312 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 120221132099 and 120221132108.

It is not a weakly prime, because it can be changed into another prime (120221132531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60110566065 + 60110566066.

It is an arithmetic number, because the mean of its divisors is an integer number (60110566066).

Almost surely, 2120221132131 is an apocalyptic number.

120221132131 is a deficient number, since it is larger than the sum of its proper divisors (1).

120221132131 is an equidigital number, since it uses as much as digits as its factorization.

120221132131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 120221132131 its reverse (131231122021), we get a palindrome (251452254152).

The spelling of 120221132131 in words is "one hundred twenty billion, two hundred twenty-one million, one hundred thirty-two thousand, one hundred thirty-one".