221001213302 has 8 divisors (see below), whose sum is σ = 331504068096. Its totient is φ = 110499857272.

The previous prime is 221001213299. The next prime is 221001213311. The reversal of 221001213302 is 203312100122.

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

It is a super-2 number, since 2×221001213302² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129803 + ... + 677385.

It is an arithmetic number, because the mean of its divisors is an integer number (41438008512).

Almost surely, 2^221001213302 is an apocalyptic number.

221001213302 is a deficient number, since it is larger than the sum of its proper divisors (110502854794).

221001213302 is a wasteful number, since it uses less digits than its factorization.

221001213302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749382.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 221001213302 its reverse (203312100122), we get a palindrome (424313313424).

The spelling of 221001213302 in words is "two hundred twenty-one billion, one million, two hundred thirteen thousand, three hundred two".