221023331100131 has 8 divisors (see below), whose sum is σ = 252598203383904. Its totient is φ = 189448486490880.

The previous prime is 221023331100127. The next prime is 221023331100163. The reversal of 221023331100131 is 131001133320122.

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

It is a cyclic number.

It is not a de Polignac number, because 221023331100131 - 2² = 221023331100127 is a prime.

It is a super-2 number, since 2×221023331100131² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 221023331100097 and 221023331100106.

It is not an unprimeable number, because it can be changed into a prime (221023331100031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14697971 + ... + 25653011.

It is an arithmetic number, because the mean of its divisors is an integer number (31574775422988).

Almost surely, 2^{221023331100131} is an apocalyptic number.

221023331100131 is a deficient number, since it is larger than the sum of its proper divisors (31574872283773).

221023331100131 is a wasteful number, since it uses less digits than its factorization.

221023331100131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13837261.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 221023331100131 its reverse (131001133320122), we get a palindrome (352024464420253).

The spelling of 221023331100131 in words is "two hundred twenty-one trillion, twenty-three billion, three hundred thirty-one million, one hundred thousand, one hundred thirty-one".