11101021222012 has 24 divisors (see below), whose sum is σ = 20128810489200. Its totient is φ = 5353482566016.

The previous prime is 11101021221991. The next prime is 11101021222051. The reversal of 11101021222012 is 21022212010111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 443744337 + ... + 443769352.

It is an arithmetic number, because the mean of its divisors is an integer number (838700437050).

Almost surely, 2^{11101021222012} is an apocalyptic number.

It is an amenable number.

11101021222012 is a deficient number, since it is larger than the sum of its proper divisors (9027789267188).

11101021222012 is a wasteful number, since it uses less digits than its factorization.

11101021222012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 887513805 (or 887513803 counting only the distinct ones).

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

Adding to 11101021222012 its reverse (21022212010111), we get a palindrome (32123233232123).

The spelling of 11101021222012 in words is "eleven trillion, one hundred one billion, twenty-one million, two hundred twenty-two thousand, twelve".