11101221212102 has 32 divisors (see below), whose sum is σ = 19048110412800. Its totient is φ = 4753306447488.

The previous prime is 11101221212089. The next prime is 11101221212117. The reversal of 11101221212102 is 20121212210111.

It is a super-2 number, since 2×11101221212102² (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 15 ways as a sum of consecutive naturals, for example, 87886163 + ... + 88012385.

It is an arithmetic number, because the mean of its divisors is an integer number (595253450400).

Almost surely, 2^{11101221212102} is an apocalyptic number.

11101221212102 is a deficient number, since it is larger than the sum of its proper divisors (7946889200698).

11101221212102 is a wasteful number, since it uses less digits than its factorization.

11101221212102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131940.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 11101221212102 its reverse (20121212210111), we get a palindrome (31222433422213).

The spelling of 11101221212102 in words is "eleven trillion, one hundred one billion, two hundred twenty-one million, two hundred twelve thousand, one hundred two".