2122261466541 has 16 divisors (see below), whose sum is σ = 2869616406528. Its totient is φ = 1394874860400.

The previous prime is 2122261466519. The next prime is 2122261466551. The reversal of 2122261466541 is 1456641622212.

It is not a de Polignac number, because 2122261466541 - 2⁶ = 2122261466477 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2122261466493 and 2122261466502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122261466551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8932476 + ... + 9166986.

It is an arithmetic number, because the mean of its divisors is an integer number (179351025408).

Almost surely, 2^{2122261466541} is an apocalyptic number.

It is an amenable number.

2122261466541 is a deficient number, since it is larger than the sum of its proper divisors (747354939987).

2122261466541 is a wasteful number, since it uses less digits than its factorization.

2122261466541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277072.

The product of its digits is 276480, while the sum is 42.

The spelling of 2122261466541 in words is "two trillion, one hundred twenty-two billion, two hundred sixty-one million, four hundred sixty-six thousand, five hundred forty-one".