22022001201021 has 8 divisors (see below), whose sum is σ = 29987405890944. Its totient is φ = 14368965322560.

The previous prime is 22022001200987. The next prime is 22022001201023. The reversal of 22022001201021 is 12010210022022.

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

It is not a de Polignac number, because 22022001201021 - 2⁹ = 22022001200509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22022001201023) 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, 78092202700 + ... + 78092202981.

It is an arithmetic number, because the mean of its divisors is an integer number (3748425736368).

Almost surely, 2^{22022001201021} is an apocalyptic number.

It is an amenable number.

22022001201021 is a deficient number, since it is larger than the sum of its proper divisors (7965404689923).

22022001201021 is a wasteful number, since it uses less digits than its factorization.

22022001201021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156184405731.

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

Adding to 22022001201021 its reverse (12010210022022), we get a palindrome (34032211223043).

The spelling of 22022001201021 in words is "twenty-two trillion, twenty-two billion, one million, two hundred one thousand, twenty-one".