221120000152040 has 64 divisors (see below), whose sum is σ = 542750647680000. Its totient is φ = 80407042205440.

The previous prime is 221120000152013. The next prime is 221120000152067. The reversal of 221120000152040 is 40251000021122.

It is an interprime number because it is at equal distance from previous prime (221120000152013) and next prime (221120000152067).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 259839161 + ... + 260688759.

It is an arithmetic number, because the mean of its divisors is an integer number (8480478870000).

Almost surely, 2^{221120000152040} is an apocalyptic number.

221120000152040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221120000152040 is an abundant number, since it is smaller than the sum of its proper divisors (321630647527960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221120000152040 is a wasteful number, since it uses less digits than its factorization.

221120000152040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1441130 (or 1441126 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 221120000152040 its reverse (40251000021122), we get a palindrome (261371000173162).

The spelling of 221120000152040 in words is "two hundred twenty-one trillion, one hundred twenty billion, one hundred fifty-two thousand, forty".