1122010100221 has 16 divisors (see below), whose sum is σ = 1145212992000. Its totient is φ = 1099109688768.

The previous prime is 1122010100209. The next prime is 1122010100279. The reversal of 1122010100221 is 1220010102211.

It is a cyclic number.

It is not a de Polignac number, because 1122010100221 - 2⁷ = 1122010100093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122010101221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3397495 + ... + 3713083.

It is an arithmetic number, because the mean of its divisors is an integer number (71575812000).

Almost surely, 2^{1122010100221} is an apocalyptic number.

It is an amenable number.

1122010100221 is a deficient number, since it is larger than the sum of its proper divisors (23202891779).

1122010100221 is a wasteful number, since it uses less digits than its factorization.

1122010100221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316068.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1122010100221 its reverse (1220010102211), we get a palindrome (2342020202432).

The spelling of 1122010100221 in words is "one trillion, one hundred twenty-two billion, ten million, one hundred thousand, two hundred twenty-one".