221411703162061 has 4 divisors (see below), whose sum is σ = 221412339949824. Its totient is φ = 221411066374300.

The previous prime is 221411703162059. The next prime is 221411703162077. The reversal of 221411703162061 is 160261307114122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 221411703162061 - 2¹ = 221411703162059 is a prime.

It is a super-2 number, since 2×221411703162061² (a number of 29 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 221411703162061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221411703166061) 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, 317872045 + ... + 318567826.

It is an arithmetic number, because the mean of its divisors is an integer number (55353084987456).

Almost surely, 2^{221411703162061} is an apocalyptic number.

It is an amenable number.

221411703162061 is a deficient number, since it is larger than the sum of its proper divisors (636787763).

221411703162061 is an equidigital number, since it uses as much as digits as its factorization.

221411703162061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636787762.

The product of its (nonzero) digits is 24192, while the sum is 37.

The spelling of 221411703162061 in words is "two hundred twenty-one trillion, four hundred eleven billion, seven hundred three million, one hundred sixty-two thousand, sixty-one".