42216041100261 has 64 divisors (see below), whose sum is σ = 66204557312000. Its totient is φ = 23916991549248.

The previous prime is 42216041100217. The next prime is 42216041100319. The reversal of 42216041100261 is 16200114061224.

It is not a de Polignac number, because 42216041100261 - 2²⁶ = 42215973991397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42216041105261) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 190555791 + ... + 190777203.

It is an arithmetic number, because the mean of its divisors is an integer number (1034446208000).

Almost surely, 2^{42216041100261} is an apocalyptic number.

It is an amenable number.

42216041100261 is a deficient number, since it is larger than the sum of its proper divisors (23988516211739).

42216041100261 is a wasteful number, since it uses less digits than its factorization.

42216041100261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223023 (or 223009 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

Adding to 42216041100261 its reverse (16200114061224), we get a palindrome (58416155161485).

The spelling of 42216041100261 in words is "forty-two trillion, two hundred sixteen billion, forty-one million, one hundred thousand, two hundred sixty-one".