1121322221101 has 8 divisors (see below), whose sum is σ = 1187967485304. Its totient is φ = 1054753082880.

The previous prime is 1121322221069. The next prime is 1121322221119. The reversal of 1121322221101 is 1011222231211.

It can be written as a sum of positive squares in 4 ways, for example, as 552979627876 + 568342593225 = 743626^2 + 753885^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1121322221101 - 2⁵ = 1121322221069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121322221501) 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, 19001160 + ... + 19060081.

It is an arithmetic number, because the mean of its divisors is an integer number (148495935663).

Almost surely, 2^{1121322221101} is an apocalyptic number.

It is an amenable number.

1121322221101 is a deficient number, since it is larger than the sum of its proper divisors (66645264203).

1121322221101 is a wasteful number, since it uses less digits than its factorization.

1121322221101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38062991.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 1121322221101 its reverse (1011222231211), we get a palindrome (2132544452312).

The spelling of 1121322221101 in words is "one trillion, one hundred twenty-one billion, three hundred twenty-two million, two hundred twenty-one thousand, one hundred one".