22061106154261 has 4 divisors (see below), whose sum is σ = 22061776391212. Its totient is φ = 22060435917312.

The previous prime is 22061106154259. The next prime is 22061106154411. The reversal of 22061106154261 is 16245160116022.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16909522670161 + 5151583484100 = 4112119^2 + 2269710^2 .

It is a cyclic number.

It is not a de Polignac number, because 22061106154261 - 2¹ = 22061106154259 is a prime.

It is a super-2 number, since 2×22061106154261² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22061106154261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22061106154211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 335069100 + ... + 335134933.

It is an arithmetic number, because the mean of its divisors is an integer number (5515444097803).

Almost surely, 2^{22061106154261} is an apocalyptic number.

It is an amenable number.

22061106154261 is a deficient number, since it is larger than the sum of its proper divisors (670236951).

22061106154261 is an equidigital number, since it uses as much as digits as its factorization.

22061106154261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670236950.

The product of its (nonzero) digits is 34560, while the sum is 37.

The spelling of 22061106154261 in words is "twenty-two trillion, sixty-one billion, one hundred six million, one hundred fifty-four thousand, two hundred sixty-one".