22021240411240 has 128 divisors (see below), whose sum is σ = 56707766461440. Its totient is φ = 7539250461696.

The previous prime is 22021240411213. The next prime is 22021240411249. The reversal of 22021240411240 is 4211404212022.

It is not an unprimeable number, because it can be changed into a prime (22021240411249) 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, 683088402 + ... + 683120638.

It is an arithmetic number, because the mean of its divisors is an integer number (443029425480).

Almost surely, 2^{22021240411240} is an apocalyptic number.

22021240411240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22021240411240 is an abundant number, since it is smaller than the sum of its proper divisors (34686526050200).

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

22021240411240 is a wasteful number, since it uses less digits than its factorization.

22021240411240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35699 (or 35695 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 22021240411240 its reverse (4211404212022), we get a palindrome (26232644623262).

The spelling of 22021240411240 in words is "twenty-two trillion, twenty-one billion, two hundred forty million, four hundred eleven thousand, two hundred forty".