22021121020001 has 8 divisors (see below), whose sum is σ = 22618672749120. Its totient is φ = 21423694885488.

The previous prime is 22021121019973. The next prime is 22021121020009. The reversal of 22021121020001 is 10002012112022.

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 22021121020001 - 2¹⁴ = 22021121003617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22021121020009) 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, 31043171 + ... + 31744616.

It is an arithmetic number, because the mean of its divisors is an integer number (2827334093640).

Almost surely, 2^{22021121020001} is an apocalyptic number.

It is an amenable number.

22021121020001 is a deficient number, since it is larger than the sum of its proper divisors (597551729119).

22021121020001 is an equidigital number, since it uses as much as digits as its factorization.

22021121020001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62797303.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22021121020001 its reverse (10002012112022), we get a palindrome (32023133132023).

The spelling of 22021121020001 in words is "twenty-two trillion, twenty-one billion, one hundred twenty-one million, twenty thousand, one".