221100122030 has 8 divisors (see below), whose sum is σ = 397980219672. Its totient is φ = 88440048808.

The previous prime is 221100122011. The next prime is 221100122053. The reversal of 221100122030 is 30221001122.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 221100121996 and 221100122014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11055006092 + ... + 11055006111.

It is an arithmetic number, because the mean of its divisors is an integer number (49747527459).

Almost surely, 2^221100122030 is an apocalyptic number.

221100122030 is a deficient number, since it is larger than the sum of its proper divisors (176880097642).

221100122030 is a wasteful number, since it uses less digits than its factorization.

221100122030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22110012210.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 221100122030 its reverse (30221001122), we get a palindrome (251321123152).

The spelling of 221100122030 in words is "two hundred twenty-one billion, one hundred million, one hundred twenty-two thousand, thirty".