220231322101 has 16 divisors (see below), whose sum is σ = 272998373760. Its totient is φ = 173332293120.

The previous prime is 220231322099. The next prime is 220231322111. The reversal of 220231322101 is 101223132022.

It is not a de Polignac number, because 220231322101 - 2¹ = 220231322099 is a prime.

It is a super-2 number, since 2×220231322101² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220231322111) 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, 22564431 + ... + 22574188.

It is an arithmetic number, because the mean of its divisors is an integer number (17062398360).

Almost surely, 2^220231322101 is an apocalyptic number.

It is an amenable number.

220231322101 is a deficient number, since it is larger than the sum of its proper divisors (52767051659).

220231322101 is a wasteful number, since it uses less digits than its factorization.

220231322101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45138684.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 220231322101 its reverse (101223132022), we get a palindrome (321454454123).

The spelling of 220231322101 in words is "two hundred twenty billion, two hundred thirty-one million, three hundred twenty-two thousand, one hundred one".