11211103102 has 16 divisors (see below), whose sum is σ = 17829100800. Its totient is φ = 5272314840.

The previous prime is 11211103051. The next prime is 11211103103. The reversal of 11211103102 is 20130111211.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11211103103) 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, 1055974 + ... + 1066537.

It is an arithmetic number, because the mean of its divisors is an integer number (1114318800).

Almost surely, 2^11211103102 is an apocalyptic number.

11211103102 is a deficient number, since it is larger than the sum of its proper divisors (6617997698).

11211103102 is a wasteful number, since it uses less digits than its factorization.

11211103102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2122671.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 11211103102 its reverse (20130111211), we get a palindrome (31341214313).

The spelling of 11211103102 in words is "eleven billion, two hundred eleven million, one hundred three thousand, one hundred two".