201222122112929 has 2 divisors, whose sum is σ = 201222122112930. Its totient is φ = 201222122112928.

The previous prime is 201222122112923. The next prime is 201222122112943. The reversal of 201222122112929 is 929211221222102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 179697644368225 + 21524477744704 = 13405135^2 + 4639448^2 .

It is a cyclic number.

It is not a de Polignac number, because 201222122112929 - 2³² = 201217827145633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201222122112892 and 201222122112901.

It is not a weakly prime, because it can be changed into another prime (201222122112923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100611061056464 + 100611061056465.

It is an arithmetic number, because the mean of its divisors is an integer number (100611061056465).

Almost surely, 2^{201222122112929} is an apocalyptic number.

It is an amenable number.

201222122112929 is a deficient number, since it is larger than the sum of its proper divisors (1).

201222122112929 is an equidigital number, since it uses as much as digits as its factorization.

201222122112929 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 38.

The spelling of 201222122112929 in words is "two hundred one trillion, two hundred twenty-two billion, one hundred twenty-two million, one hundred twelve thousand, nine hundred twenty-nine".