22091213129101 has 8 divisors (see below), whose sum is σ = 22853033419320. Its totient is φ = 21329396460288.

The previous prime is 22091213129081. The next prime is 22091213129149. The reversal of 22091213129101 is 10192131219022.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 16328476804201 + 5762736324900 = 4040851^2 + 2400570^2 .

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 22091213129101 - 2³¹ = 22089065645453 is a prime.

It is a super-3 number, since 3×22091213129101³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22091213129801) 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, 18705585 + ... + 19851481.

It is an arithmetic number, because the mean of its divisors is an integer number (2856629177415).

Almost surely, 2^{22091213129101} is an apocalyptic number.

It is an amenable number.

22091213129101 is a deficient number, since it is larger than the sum of its proper divisors (761820290219).

22091213129101 is a wasteful number, since it uses less digits than its factorization.

22091213129101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1810703.

The product of its (nonzero) digits is 3888, while the sum is 34.

The spelling of 22091213129101 in words is "twenty-two trillion, ninety-one billion, two hundred thirteen million, one hundred twenty-nine thousand, one hundred one".