11211020112102 has 16 divisors (see below), whose sum is σ = 22729191461040. Its totient is φ = 3685814831232.

The previous prime is 11211020112101. The next prime is 11211020112143. The reversal of 11211020112102 is 20121102011211.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11211020112101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12797967727 + ... + 12797968602.

It is an arithmetic number, because the mean of its divisors is an integer number (1420574466315).

Almost surely, 2^{11211020112102} is an apocalyptic number.

11211020112102 is an abundant number, since it is smaller than the sum of its proper divisors (11518171348938).

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

11211020112102 is a wasteful number, since it uses less digits than its factorization.

11211020112102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25595936407.

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

Adding to 11211020112102 its reverse (20121102011211), we get a palindrome (31332122123313).

The spelling of 11211020112102 in words is "eleven trillion, two hundred eleven billion, twenty million, one hundred twelve thousand, one hundred two".