221202101229 has 4 divisors (see below), whose sum is σ = 294936134976. Its totient is φ = 147468067484.

The previous prime is 221202101221. The next prime is 221202101269. The reversal of 221202101229 is 922101202122.

221202101229 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 221202101229 - 2³ = 221202101221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 221202101199 and 221202101208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221202101221) 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 3 ways as a sum of consecutive naturals, for example, 36867016869 + ... + 36867016874.

It is an arithmetic number, because the mean of its divisors is an integer number (73734033744).

Almost surely, 2^221202101229 is an apocalyptic number.

It is an amenable number.

221202101229 is a deficient number, since it is larger than the sum of its proper divisors (73734033747).

221202101229 is an equidigital number, since it uses as much as digits as its factorization.

221202101229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73734033746.

The product of its (nonzero) digits is 576, while the sum is 24.

The spelling of 221202101229 in words is "two hundred twenty-one billion, two hundred two million, one hundred one thousand, two hundred twenty-nine".