221232211033001 has 16 divisors (see below), whose sum is σ = 254514464283648. Its totient is φ = 188369402634000.

The previous prime is 221232211032991. The next prime is 221232211033007. The reversal of 221232211033001 is 100330112232122.

It is not a de Polignac number, because 221232211033001 - 2²² = 221232206838697 is a prime.

It is a super-2 number, since 2×221232211033001² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221232211033007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84465566 + ... + 87045368.

It is an arithmetic number, because the mean of its divisors is an integer number (15907154017728).

Almost surely, 2^{221232211033001} is an apocalyptic number.

It is an amenable number.

221232211033001 is a deficient number, since it is larger than the sum of its proper divisors (33282253250647).

221232211033001 is a wasteful number, since it uses less digits than its factorization.

221232211033001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2661092.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 221232211033001 its reverse (100330112232122), we get a palindrome (321562323265123).

The spelling of 221232211033001 in words is "two hundred twenty-one trillion, two hundred thirty-two billion, two hundred eleven million, thirty-three thousand, one".