11020111212102 has 64 divisors (see below), whose sum is σ = 23354471448000. Its totient is φ = 3454659031040.

The previous prime is 11020111212037. The next prime is 11020111212113. The reversal of 11020111212102 is 20121211102011.

It is a happy number.

It is a super-2 number, since 2×11020111212102² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 954199024 + ... + 954210572.

It is an arithmetic number, because the mean of its divisors is an integer number (364913616375).

Almost surely, 2^{11020111212102} is an apocalyptic number.

11020111212102 is an abundant number, since it is smaller than the sum of its proper divisors (12334360235898).

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

11020111212102 is a wasteful number, since it uses less digits than its factorization.

11020111212102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17881.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11020111212102 its reverse (20121211102011), we get a palindrome (31141322314113).

The spelling of 11020111212102 in words is "eleven trillion, twenty billion, one hundred eleven million, two hundred twelve thousand, one hundred two".