221414126511 has 16 divisors (see below), whose sum is σ = 313327160928. Its totient is φ = 138596505600.

The previous prime is 221414126489. The next prime is 221414126543. The reversal of 221414126511 is 115621414122.

It is not a de Polignac number, because 221414126511 - 2¹⁸ = 221413864367 is a prime.

It is a super-2 number, since 2×221414126511² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221414126551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5134650 + ... + 5177591.

It is an arithmetic number, because the mean of its divisors is an integer number (19582947558).

Almost surely, 2^221414126511 is an apocalyptic number.

221414126511 is a deficient number, since it is larger than the sum of its proper divisors (91913034417).

221414126511 is a wasteful number, since it uses less digits than its factorization.

221414126511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10312682.

The product of its digits is 3840, while the sum is 30.

The spelling of 221414126511 in words is "two hundred twenty-one billion, four hundred fourteen million, one hundred twenty-six thousand, five hundred eleven".