22220120021001 has 32 divisors (see below), whose sum is σ = 34367145077760. Its totient is φ = 12506771635776.

The previous prime is 22220120020993. The next prime is 22220120021083. The reversal of 22220120021001 is 10012002102222.

It is not a de Polignac number, because 22220120021001 - 2³ = 22220120020993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22220120021201) 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, 18582135 + ... + 19741731.

It is an arithmetic number, because the mean of its divisors is an integer number (1073973283680).

Almost surely, 2^{22220120021001} is an apocalyptic number.

22220120021001 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

22220120021001 is a deficient number, since it is larger than the sum of its proper divisors (12147025056759).

22220120021001 is a wasteful number, since it uses less digits than its factorization.

22220120021001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1173293.

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

Adding to 22220120021001 its reverse (10012002102222), we get a palindrome (32232122123223).

The spelling of 22220120021001 in words is "twenty-two trillion, two hundred twenty billion, one hundred twenty million, twenty-one thousand, one".