221411562137152 has 14 divisors (see below), whose sum is σ = 439363568616038. Its totient is φ = 110705781068544.

The previous prime is 221411562137111. The next prime is 221411562137153. The reversal of 221411562137152 is 251731265114122.

It can be written as a sum of positive squares in only one way, i.e., 136278166782976 + 85133395354176 = 11673824^2 + 9226776^2 .

It is a super-2 number, since 2×221411562137152² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 221411562137099 and 221411562137108.

It is not an unprimeable number, because it can be changed into a prime (221411562137153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1729777829133 + ... + 1729777829260.

Almost surely, 2^{221411562137152} is an apocalyptic number.

It is an amenable number.

221411562137152 is a deficient number, since it is larger than the sum of its proper divisors (217952006478886).

221411562137152 is an equidigital number, since it uses as much as digits as its factorization.

221411562137152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3459555658405 (or 3459555658395 counting only the distinct ones).

The product of its digits is 201600, while the sum is 43.

The spelling of 221411562137152 in words is "two hundred twenty-one trillion, four hundred eleven billion, five hundred sixty-two million, one hundred thirty-seven thousand, one hundred fifty-two".