1102212201128 has 8 divisors (see below), whose sum is σ = 2066647877130. Its totient is φ = 551106100560.

The previous prime is 1102212201121. The next prime is 1102212201157. The reversal of 1102212201128 is 8211022122011.

It can be written as a sum of positive squares in only one way, i.e., 751935248164 + 350276952964 = 867142^2 + 591842^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×1102212201128³ (a number of 37 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1102212201121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68888262563 + ... + 68888262578.

Almost surely, 2^{1102212201128} is an apocalyptic number.

It is an amenable number.

1102212201128 is a deficient number, since it is larger than the sum of its proper divisors (964435676002).

1102212201128 is a wasteful number, since it uses less digits than its factorization.

1102212201128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137776525147 (or 137776525143 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 23.

Adding to 1102212201128 its reverse (8211022122011), we get a palindrome (9313234323139).

The spelling of 1102212201128 in words is "one trillion, one hundred two billion, two hundred twelve million, two hundred one thousand, one hundred twenty-eight".