1101000000221 has 32 divisors (see below), whose sum is σ = 1296948153600. Its totient is φ = 924079636480.

The previous prime is 1101000000211. The next prime is 1101000000241. The reversal of 1101000000221 is 1220000001011.

It is not a de Polignac number, because 1101000000221 - 2¹⁸ = 1100999738077 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1101000000199 and 1101000000208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101000000211) 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, 24402335 + ... + 24447411.

It is an arithmetic number, because the mean of its divisors is an integer number (40529629800).

Almost surely, 2^{1101000000221} is an apocalyptic number.

1101000000221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1101000000221 is a deficient number, since it is larger than the sum of its proper divisors (195948153379).

1101000000221 is a wasteful number, since it uses less digits than its factorization.

1101000000221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48469.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 1101000000221 its reverse (1220000001011), we get a palindrome (2321000001232).

The spelling of 1101000000221 in words is "one trillion, one hundred one billion, two hundred twenty-one", and thus it is an aban number.