221122102030 has 64 divisors (see below), whose sum is σ = 433579392000. Its totient is φ = 80873589888.

The previous prime is 221122101953. The next prime is 221122102031. The reversal of 221122102030 is 30201221122.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 221122101995 and 221122102013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221122102031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18766681 + ... + 18778459.

It is an arithmetic number, because the mean of its divisors is an integer number (6774678000).

Almost surely, 2^221122102030 is an apocalyptic number.

221122102030 is a deficient number, since it is larger than the sum of its proper divisors (212457289970).

221122102030 is a wasteful number, since it uses less digits than its factorization.

221122102030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15241.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 221122102030 its reverse (30201221122), we get a palindrome (251323323152).

The spelling of 221122102030 in words is "two hundred twenty-one billion, one hundred twenty-two million, one hundred two thousand, thirty".