22021120202001 has 16 divisors (see below), whose sum is σ = 29986369388544. Its totient is φ = 14368312307664.

The previous prime is 22021120201991. The next prime is 22021120202023. The reversal of 22021120202001 is 10020202112022.

It is not a de Polignac number, because 22021120202001 - 2¹⁰ = 22021120200977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22021120202071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37616400 + ... + 38197326.

It is an arithmetic number, because the mean of its divisors is an integer number (1874148086784).

Almost surely, 2^{22021120202001} is an apocalyptic number.

It is an amenable number.

22021120202001 is a deficient number, since it is larger than the sum of its proper divisors (7965249186543).

22021120202001 is a wasteful number, since it uses less digits than its factorization.

22021120202001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 849820.

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

Adding to 22021120202001 its reverse (10020202112022), we get a palindrome (32041322314023).

The spelling of 22021120202001 in words is "twenty-two trillion, twenty-one billion, one hundred twenty million, two hundred two thousand, one".