11101111020102 has 128 divisors (see below), whose sum is σ = 24901450583040. Its totient is φ = 3283113461760.

The previous prime is 11101111020101. The next prime is 11101111020119. The reversal of 11101111020102 is 20102011110111.

It is a super-3 number, since 3×11101111020102³ (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11101111020101) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 26010952 + ... + 26434292.

It is an arithmetic number, because the mean of its divisors is an integer number (194542582680).

Almost surely, 2^{11101111020102} is an apocalyptic number.

11101111020102 is an abundant number, since it is smaller than the sum of its proper divisors (13800339562938).

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

11101111020102 is a wasteful number, since it uses less digits than its factorization.

11101111020102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423598.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 11101111020102 its reverse (20102011110111), we get a palindrome (31203122130213).

Subtracting 11101111020102 from its reverse (20102011110111), we obtain a palindrome (9000900090009).

The spelling of 11101111020102 in words is "eleven trillion, one hundred one billion, one hundred eleven million, twenty thousand, one hundred two".