1101122022221 has 8 divisors (see below), whose sum is σ = 1185865863840. Its totient is φ = 1016384201712.

The previous prime is 1101122022211. The next prime is 1101122022233. The reversal of 1101122022221 is 1222202211011.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1101122022221 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1101122022221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101122022211) 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, 1121831 + ... + 1860308.

It is an arithmetic number, because the mean of its divisors is an integer number (148233232980).

Almost surely, 2^{1101122022221} is an apocalyptic number.

It is an amenable number.

1101122022221 is a deficient number, since it is larger than the sum of its proper divisors (84743841619).

1101122022221 is a wasteful number, since it uses less digits than its factorization.

1101122022221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3010555.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1101122022221 its reverse (1222202211011), we get a palindrome (2323324233232).

The spelling of 1101122022221 in words is "one trillion, one hundred one billion, one hundred twenty-two million, twenty-two thousand, two hundred twenty-one".