20022201010021 has 8 divisors (see below), whose sum is σ = 24086858358080. Its totient is φ = 16258629391488.

The previous prime is 20022201010003. The next prime is 20022201010067. The reversal of 20022201010021 is 12001010222002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20022201010021 - 2⁵ = 20022201009989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20022201009983 and 20022201010010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20022201010421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75271432236 + ... + 75271432501.

It is an arithmetic number, because the mean of its divisors is an integer number (3010857294760).

Almost surely, 2^{20022201010021} is an apocalyptic number.

It is an amenable number.

20022201010021 is a deficient number, since it is larger than the sum of its proper divisors (4064657348059).

20022201010021 is a wasteful number, since it uses less digits than its factorization.

20022201010021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150542864763.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20022201010021 its reverse (12001010222002), we get a palindrome (32023211232023).

The spelling of 20022201010021 in words is "twenty trillion, twenty-two billion, two hundred one million, ten thousand, twenty-one".