373001101221 has 16 divisors (see below), whose sum is σ = 580475879424. Its totient is φ = 208608518064.

The previous prime is 373001101181. The next prime is 373001101223. The reversal of 373001101221 is 122101100373.

It is a happy number.

It is not a de Polignac number, because 373001101221 - 2¹⁷ = 373000970149 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (373001101223) 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, 188956005 + ... + 188957978.

It is an arithmetic number, because the mean of its divisors is an integer number (36279742464).

Almost surely, 2^373001101221 is an apocalyptic number.

It is an amenable number.

373001101221 is a deficient number, since it is larger than the sum of its proper divisors (207474778203).

373001101221 is a wasteful number, since it uses less digits than its factorization.

373001101221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377914040.

The product of its (nonzero) digits is 252, while the sum is 21.

Adding to 373001101221 its reverse (122101100373), we get a palindrome (495102201594).

The spelling of 373001101221 in words is "three hundred seventy-three billion, one million, one hundred one thousand, two hundred twenty-one".