202121103202159 has 2 divisors, whose sum is σ = 202121103202160. Its totient is φ = 202121103202158.

The previous prime is 202121103202103. The next prime is 202121103202163. The reversal of 202121103202159 is 951202301121202.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 202121103202159 - 2¹¹ = 202121103200111 is a prime.

It is a super-2 number, since 2×202121103202159² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 202121103202159.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202121103232159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101060551601079 + 101060551601080.

It is an arithmetic number, because the mean of its divisors is an integer number (101060551601080).

Almost surely, 2^{202121103202159} is an apocalyptic number.

202121103202159 is a deficient number, since it is larger than the sum of its proper divisors (1).

202121103202159 is an equidigital number, since it uses as much as digits as its factorization.

202121103202159 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 31.

The spelling of 202121103202159 in words is "two hundred two trillion, one hundred twenty-one billion, one hundred three million, two hundred two thousand, one hundred fifty-nine".