2202123211540 has 288 divisors, whose sum is σ = 5679716474880. Its totient is φ = 700592530176.

The previous prime is 2202123211507. The next prime is 2202123211583. The reversal of 2202123211540 is 451123212022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2662784607 + ... + 2662785433.

It is an arithmetic number, because the mean of its divisors is an integer number (19721237760).

Almost surely, 2^{2202123211540} is an apocalyptic number.

2202123211540 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 2202123211540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2839858237440).

2202123211540 is an abundant number, since it is smaller than the sum of its proper divisors (3477593263340).

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

2202123211540 is a wasteful number, since it uses less digits than its factorization.

2202123211540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1219 (or 1150 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 2202123211540 its reverse (451123212022), we get a palindrome (2653246423562).

The spelling of 2202123211540 in words is "two trillion, two hundred two billion, one hundred twenty-three million, two hundred eleven thousand, five hundred forty".