120022011121261 has 2 divisors, whose sum is σ = 120022011121262. Its totient is φ = 120022011121260.

The previous prime is 120022011121219. The next prime is 120022011121303. The reversal of 120022011121261 is 162121110220021.

It is a balanced prime because it is at equal distance from previous prime (120022011121219) and next prime (120022011121303).

It can be written as a sum of positive squares in only one way, i.e., 94743338837161 + 25278672284100 = 9733619^2 + 5027790^2 .

It is a cyclic number.

It is not a de Polignac number, because 120022011121261 - 2¹⁵ = 120022011088493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120022011121561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60011005560630 + 60011005560631.

It is an arithmetic number, because the mean of its divisors is an integer number (60011005560631).

Almost surely, 2^{120022011121261} is an apocalyptic number.

It is an amenable number.

120022011121261 is a deficient number, since it is larger than the sum of its proper divisors (1).

120022011121261 is an equidigital number, since it uses as much as digits as its factorization.

120022011121261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 22.

Adding to 120022011121261 its reverse (162121110220021), we get a palindrome (282143121341282).

The spelling of 120022011121261 in words is "one hundred twenty trillion, twenty-two billion, eleven million, one hundred twenty-one thousand, two hundred sixty-one".