22010121121001 has 16 divisors (see below), whose sum is σ = 24208161218304. Its totient is φ = 19884239800704.

The previous prime is 22010121120979. The next prime is 22010121121013. The reversal of 22010121121001 is 10012112101022.

It is a cyclic number.

It is not a de Polignac number, because 22010121121001 - 2⁴² = 17612074609897 is a prime.

It is a super-2 number, since 2×22010121121001² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22010121121031) 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, 24066245 + ... + 24964061.

It is an arithmetic number, because the mean of its divisors is an integer number (1513010076144).

Almost surely, 2^{22010121121001} is an apocalyptic number.

It is an amenable number.

22010121121001 is a deficient number, since it is larger than the sum of its proper divisors (2198040097303).

22010121121001 is a wasteful number, since it uses less digits than its factorization.

22010121121001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 938000.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 22010121121001 its reverse (10012112101022), we get a palindrome (32022233222023).

The spelling of 22010121121001 in words is "twenty-two trillion, ten billion, one hundred twenty-one million, one hundred twenty-one thousand, one".