29990111 has 2 divisors, whose sum is σ = 29990112. Its totient is φ = 29990110.

The previous prime is 29990099. The next prime is 29990119. The reversal of 29990111 is 11109992.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 29990111 - 2⁶ = 29990047 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29990119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14995055 + 14995056.

It is an arithmetic number, because the mean of its divisors is an integer number (14995056).

Almost surely, 2^29990111 is an apocalyptic number.

29990111 is a deficient number, since it is larger than the sum of its proper divisors (1).

29990111 is an equidigital number, since it uses as much as digits as its factorization.

29990111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1458, while the sum is 32.

The square root of 29990111 is about 5476.3227625844. The cubic root of 29990111 is about 310.6891052630.

The spelling of 29990111 in words is "twenty-nine million, nine hundred ninety thousand, one hundred eleven".