22021200200121 has 8 divisors (see below), whose sum is σ = 29361698810400. Its totient is φ = 14680750861632.

The previous prime is 22021200200117. The next prime is 22021200200143. The reversal of 22021200200121 is 12100200212022.

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

It is not a de Polignac number, because 22021200200121 - 2² = 22021200200117 is a prime.

It is a super-3 number, since 3×22021200200121³ (a number of 41 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22021200200121.

It is not an unprimeable number, because it can be changed into a prime (22021200200191) 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, 11262175 + ... + 13072068.

It is an arithmetic number, because the mean of its divisors is an integer number (3670212351300).

Almost surely, 2^{22021200200121} is an apocalyptic number.

It is an amenable number.

22021200200121 is a deficient number, since it is larger than the sum of its proper divisors (7340498610279).

22021200200121 is a wasteful number, since it uses less digits than its factorization.

22021200200121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24635895.

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

Adding to 22021200200121 its reverse (12100200212022), we get a palindrome (34121400412143).

The spelling of 22021200200121 in words is "twenty-two trillion, twenty-one billion, two hundred million, two hundred thousand, one hundred twenty-one".