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1103200311221 = 15312887249593
BaseRepresentation
bin10000000011011011110…
…111001101011110110101
310220110112221000102101222
4100003123313031132311
5121033323234424341
62202445255200125
7142463221631651
oct20033367153665
93813487012358
101103200311221
113959568a71a8
12159983676045
1380053b25658
143b576533a61
151da6b91144b
hex100dbdcd7b5

1103200311221 has 8 divisors (see below), whose sum is σ = 1104307687104. Its totient is φ = 1102093443360.

The previous prime is 1103200311217. The next prime is 1103200311251. The reversal of 1103200311221 is 1221130023011.

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 1103200311221 - 22 = 1103200311217 is a prime.

It is a super-2 number, since 2×11032003112212 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1103200311221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103200311251) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4295201 + ... + 4544793.

It is an arithmetic number, because the mean of its divisors is an integer number (138038460888).

Almost surely, 21103200311221 is an apocalyptic number.

It is an amenable number.

1103200311221 is a deficient number, since it is larger than the sum of its proper divisors (1107375883).

1103200311221 is a wasteful number, since it uses less digits than its factorization.

1103200311221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254011.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1103200311221 its reverse (1221130023011), we get a palindrome (2324330334232).

The spelling of 1103200311221 in words is "one trillion, one hundred three billion, two hundred million, three hundred eleven thousand, two hundred twenty-one".

Divisors: 1 1531 2887 249593 4419997 382126883 720574991 1103200311221