11420211012 has 96 divisors (see below), whose sum is σ = 31268692224. Its totient is φ = 3175987200.

The previous prime is 11420211001. The next prime is 11420211017. The reversal of 11420211012 is 21011202411.

It is a junction number, because it is equal to n+sod(n) for n = 11420210982 and 11420211000.

It is not an unprimeable number, because it can be changed into a prime (11420211017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1584088 + ... + 1591280.

It is an arithmetic number, because the mean of its divisors is an integer number (325715544).

Almost surely, 2^11420211012 is an apocalyptic number.

11420211012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11420211012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15634346112).

11420211012 is an abundant number, since it is smaller than the sum of its proper divisors (19848481212).

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

11420211012 is a wasteful number, since it uses less digits than its factorization.

11420211012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7709 (or 7707 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 11420211012 its reverse (21011202411), we get a palindrome (32431413423).

The spelling of 11420211012 in words is "eleven billion, four hundred twenty million, two hundred eleven thousand, twelve".