221155077652707 has 8 divisors (see below), whose sum is σ = 321680112949440. Its totient is φ = 134033380395560.

The previous prime is 221155077652697. The next prime is 221155077652711. The reversal of 221155077652707 is 707256770551122.

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

It is a cyclic number.

It is not a de Polignac number, because 221155077652707 - 2²³ = 221155069264099 is a prime.

It is a super-2 number, since 2×221155077652707² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (221155077652777) 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, 3350834509857 + ... + 3350834509922.

It is an arithmetic number, because the mean of its divisors is an integer number (40210014118680).

Almost surely, 2^{221155077652707} is an apocalyptic number.

221155077652707 is a deficient number, since it is larger than the sum of its proper divisors (100525035296733).

221155077652707 is a wasteful number, since it uses less digits than its factorization.

221155077652707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6701669019793.

The product of its (nonzero) digits is 14406000, while the sum is 57.

The spelling of 221155077652707 in words is "two hundred twenty-one trillion, one hundred fifty-five billion, seventy-seven million, six hundred fifty-two thousand, seven hundred seven".