11211034203402 has 128 divisors (see below), whose sum is σ = 26342528762880. Its totient is φ = 3144645504000.

The previous prime is 11211034203401. The next prime is 11211034203403. The reversal of 11211034203402 is 20430243011211.

It is an interprime number because it is at equal distance from previous prime (11211034203401) and next prime (11211034203403).

It is not an unprimeable number, because it can be changed into a prime (11211034203401) 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, 15667377 + ... + 16367307.

It is an arithmetic number, because the mean of its divisors is an integer number (205801005960).

Almost surely, 2^{11211034203402} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11211034203402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13171264381440).

11211034203402 is an abundant number, since it is smaller than the sum of its proper divisors (15131494559478).

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

11211034203402 is a wasteful number, since it uses less digits than its factorization.

11211034203402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700260.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 11211034203402 its reverse (20430243011211), we get a palindrome (31641277214613).

The spelling of 11211034203402 in words is "eleven trillion, two hundred eleven billion, thirty-four million, two hundred three thousand, four hundred two".