22012021202010 has 48 divisors (see below), whose sum is σ = 61453969400736. Its totient is φ = 5031319131552.

The previous prime is 22012021201991. The next prime is 22012021202011. The reversal of 22012021202010 is 1020212021022.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22012021202011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7487080572 + ... + 7487083511.

It is an arithmetic number, because the mean of its divisors is an integer number (1280291029182).

Almost surely, 2^{22012021202010} is an apocalyptic number.

22012021202010 is an abundant number, since it is smaller than the sum of its proper divisors (39441948198726).

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

22012021202010 is a wasteful number, since it uses less digits than its factorization.

22012021202010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14974164107 (or 14974164100 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22012021202010 its reverse (1020212021022), we get a palindrome (23032233223032).

The spelling of 22012021202010 in words is "twenty-two trillion, twelve billion, twenty-one million, two hundred two thousand, ten".