2002211131020 has 96 divisors (see below), whose sum is σ = 5698822832640. Its totient is φ = 525141665280.

The previous prime is 2002211131013. The next prime is 2002211131051. The reversal of 2002211131020 is 201311122002.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 935755 + ... + 2209085.

It is an arithmetic number, because the mean of its divisors is an integer number (59362737840).

Almost surely, 2^{2002211131020} is an apocalyptic number.

2002211131020 is a gapful number since it is divisible by the number (20) 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 2002211131020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2849411416320).

2002211131020 is an abundant number, since it is smaller than the sum of its proper divisors (3696611701620).

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

2002211131020 is a wasteful number, since it uses less digits than its factorization.

2002211131020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1273775 (or 1273773 counting only the distinct ones).

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

Adding to 2002211131020 its reverse (201311122002), we get a palindrome (2203522253022).

The spelling of 2002211131020 in words is "two trillion, two billion, two hundred eleven million, one hundred thirty-one thousand, twenty".