221411635051007 has 8 divisors (see below), whose sum is σ = 240583100904960. Its totient is φ = 202991991387480.

The previous prime is 221411635050979. The next prime is 221411635051093. The reversal of 221411635051007 is 700150536114122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-221411635051007 is a prime.

It is a super-2 number, since 2×221411635051007² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221411635251007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187955546993 + ... + 187955548170.

It is an arithmetic number, because the mean of its divisors is an integer number (30072887613120).

Almost surely, 2^{221411635051007} is an apocalyptic number.

221411635051007 is a deficient number, since it is larger than the sum of its proper divisors (19171465853953).

221411635051007 is a wasteful number, since it uses less digits than its factorization.

221411635051007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375911095213.

The product of its (nonzero) digits is 50400, while the sum is 38.

The spelling of 221411635051007 in words is "two hundred twenty-one trillion, four hundred eleven billion, six hundred thirty-five million, fifty-one thousand, seven".