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1111200221012 = 227349514722093
BaseRepresentation
bin10000001010111000101…
…100011100011101010100
310221020012110020221120012
4100022320230130131110
5121201214224033022
62210251153055352
7143165402015060
oct20127054343524
93836173227505
101111200221012
113992916128a2
1215b436857558
1380a2a33669b
143bad4bb6aa0
151dd88ddede2
hex102b8b1c754

1111200221012 has 48 divisors (see below), whose sum is σ = 2229302275200. Its totient is φ = 474750364032.

The previous prime is 1111200220997. The next prime is 1111200221039. The reversal of 1111200221012 is 2101220021111.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50285438 + ... + 50307530.

It is an arithmetic number, because the mean of its divisors is an integer number (46443797400).

Almost surely, 21111200221012 is an apocalyptic number.

It is an amenable number.

1111200221012 is an abundant number, since it is smaller than the sum of its proper divisors (1118102054188).

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

1111200221012 is a wasteful number, since it uses less digits than its factorization.

1111200221012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27600 (or 27598 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1111200221012 its reverse (2101220021111), we get a palindrome (3212420242123).

The spelling of 1111200221012 in words is "one trillion, one hundred eleven billion, two hundred million, two hundred twenty-one thousand, twelve".

Divisors: 1 2 4 7 14 28 349 698 1396 2443 4886 5147 9772 10294 20588 22093 36029 44186 72058 88372 144116 154651 309302 618604 1796303 3592606 7185212 7710457 12574121 15420914 25148242 30841828 50296484 53973199 107946398 113712671 215892796 227425342 454850684 795988697 1591977394 3183954788 39685722179 79371444358 158742888716 277800055253 555600110506 1111200221012