11101221111102 has 8 divisors (see below), whose sum is σ = 22202442222216. Its totient is φ = 3700407037032.

The previous prime is 11101221111083. The next prime is 11101221111139. The reversal of 11101221111102 is 20111112210111.

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

11101221111102 is an admirable number.

It is a super-2 number, since 2×11101221111102² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 925101759253 + ... + 925101759264.

It is an arithmetic number, because the mean of its divisors is an integer number (2775305277777).

Almost surely, 2^{11101221111102} is an apocalyptic number.

11101221111102 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11101221111102 is a wasteful number, since it uses less digits than its factorization.

11101221111102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1850203518522.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 11101221111102 its reverse (20111112210111), we get a palindrome (31212333321213).

The spelling of 11101221111102 in words is "eleven trillion, one hundred one billion, two hundred twenty-one million, one hundred eleven thousand, one hundred two".