29921011201 has 8 divisors (see below), whose sum is σ = 30966783624. Its totient is φ = 28890286080.

The previous prime is 29921011199. The next prime is 29921011217. The reversal of 29921011201 is 10211012992.

It can be written as a sum of positive squares in 4 ways, for example, as 225450225 + 29695560976 = 15015^2 + 172324^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 29921011201 - 2¹ = 29921011199 is a prime.

It is a super-2 number, since 2×29921011201² (a number of 22 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 29921011201.

It is not an unprimeable number, because it can be changed into a prime (29921011231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3757780 + ... + 3765733.

It is an arithmetic number, because the mean of its divisors is an integer number (3870847953).

Almost surely, 2^29921011201 is an apocalyptic number.

It is an amenable number.

29921011201 is a deficient number, since it is larger than the sum of its proper divisors (1045772423).

29921011201 is an equidigital number, since it uses as much as digits as its factorization.

29921011201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7523651.

The product of its (nonzero) digits is 648, while the sum is 28.

The spelling of 29921011201 in words is "twenty-nine billion, nine hundred twenty-one million, eleven thousand, two hundred one".