1122021110221 has 8 divisors (see below), whose sum is σ = 1224036144000. Its totient is φ = 1020008262240.

The previous prime is 1122021110183. The next prime is 1122021110237. The reversal of 1122021110221 is 1220111202211.

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

It is not a de Polignac number, because 1122021110221 - 2¹⁵ = 1122021077453 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1122021110195 and 1122021110204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122021110251) 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, 638620 + ... + 1628458.

It is an arithmetic number, because the mean of its divisors is an integer number (153004518000).

Almost surely, 2^{1122021110221} is an apocalyptic number.

1122021110221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1122021110221 is a deficient number, since it is larger than the sum of its proper divisors (102015033779).

1122021110221 is a wasteful number, since it uses less digits than its factorization.

1122021110221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1092899.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1122021110221 its reverse (1220111202211), we get a palindrome (2342132312432).

The spelling of 1122021110221 in words is "one trillion, one hundred twenty-two billion, twenty-one million, one hundred ten thousand, two hundred twenty-one".