201202121069 has 2 divisors, whose sum is σ = 201202121070. Its totient is φ = 201202121068.

The previous prime is 201202121063. The next prime is 201202121101. The reversal of 201202121069 is 960121202102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 158912255044 + 42289866025 = 398638^2 + 205645^2 .

It is a cyclic number.

It is not a de Polignac number, because 201202121069 - 2⁸ = 201202120813 is a prime.

It is a super-2 number, since 2×201202121069² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201202121063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100601060534 + 100601060535.

It is an arithmetic number, because the mean of its divisors is an integer number (100601060535).

Almost surely, 2^201202121069 is an apocalyptic number.

It is an amenable number.

201202121069 is a deficient number, since it is larger than the sum of its proper divisors (1).

201202121069 is an equidigital number, since it uses as much as digits as its factorization.

201202121069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 26.

The spelling of 201202121069 in words is "two hundred one billion, two hundred two million, one hundred twenty-one thousand, sixty-nine".