11032210021020 has 96 divisors (see below), whose sum is σ = 31358108103168. Its totient is φ = 2897378111232.

The previous prime is 11032210020991. The next prime is 11032210021031. The reversal of 11032210021020 is 2012001223011.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18181449 + ... + 18778431.

It is an arithmetic number, because the mean of its divisors is an integer number (326646959408).

Almost surely, 2^{11032210021020} is an apocalyptic number.

11032210021020 is a gapful number since it is divisible by the number (10) 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 11032210021020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15679054051584).

11032210021020 is an abundant number, since it is smaller than the sum of its proper divisors (20325898082148).

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

11032210021020 is a wasteful number, since it uses less digits than its factorization.

11032210021020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601659 (or 601657 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 11032210021020 its reverse (2012001223011), we get a palindrome (13044211244031).

The spelling of 11032210021020 in words is "eleven trillion, thirty-two billion, two hundred ten million, twenty-one thousand, twenty".