202121211111119 has 2 divisors, whose sum is σ = 202121211111120. Its totient is φ = 202121211111118.

The previous prime is 202121211111109. The next prime is 202121211111121. The reversal of 202121211111119 is 911111112121202.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202121211111119 is a prime.

It is a super-2 number, since 2×202121211111119² (a number of 29 digits) contains 22 as substring.

Together with 202121211111121, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202121211111109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101060605555559 + 101060605555560.

It is an arithmetic number, because the mean of its divisors is an integer number (101060605555560).

Almost surely, 2^{202121211111119} is an apocalyptic number.

202121211111119 is a deficient number, since it is larger than the sum of its proper divisors (1).

202121211111119 is an equidigital number, since it uses as much as digits as its factorization.

202121211111119 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 26.

The spelling of 202121211111119 in words is "two hundred two trillion, one hundred twenty-one billion, two hundred eleven million, one hundred eleven thousand, one hundred nineteen".