29346221121 has 16 divisors (see below), whose sum is σ = 44814649344. Its totient is φ = 16733044944.

The previous prime is 29346221119. The next prime is 29346221123. The reversal of 29346221121 is 12112264392.

It is an interprime number because it is at equal distance from previous prime (29346221119) and next prime (29346221123).

It is not a de Polignac number, because 29346221121 - 2¹ = 29346221119 is a prime.

It is a super-2 number, since 2×29346221121² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (29346221123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1499391 + ... + 1518836.

It is an arithmetic number, because the mean of its divisors is an integer number (2800915584).

Almost surely, 2^29346221121 is an apocalyptic number.

29346221121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

29346221121 is a deficient number, since it is larger than the sum of its proper divisors (15468428223).

29346221121 is a wasteful number, since it uses less digits than its factorization.

29346221121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3018700.

The product of its digits is 10368, while the sum is 33.

The spelling of 29346221121 in words is "twenty-nine billion, three hundred forty-six million, two hundred twenty-one thousand, one hundred twenty-one".