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111102212001 = 31159101564983
BaseRepresentation
bin110011101111000110…
…1010011011110100001
3101121202220102010222210
41213132031103132201
53310014131241001
6123012321552333
711012134135344
oct1473615233641
9347686363883
10111102212001
1143133336320
1219647aa56a9
13a627973661
14553d73a45b
152d53c68dd6
hex19de3537a1

111102212001 has 32 divisors (see below), whose sum is σ = 165969699840. Its totient is φ = 65537912000.

The previous prime is 111102211993. The next prime is 111102212047. The reversal of 111102212001 is 100212201111.

It is not a de Polignac number, because 111102212001 - 23 = 111102211993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111102212051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85845 + ... + 479138.

It is an arithmetic number, because the mean of its divisors is an integer number (5186553120).

Almost surely, 2111102212001 is an apocalyptic number.

111102212001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

111102212001 is a deficient number, since it is larger than the sum of its proper divisors (54867487839).

111102212001 is a wasteful number, since it uses less digits than its factorization.

111102212001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565157.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 111102212001 its reverse (100212201111), we get a palindrome (211314413112).

The spelling of 111102212001 in words is "one hundred eleven billion, one hundred two million, two hundred twelve thousand, one".

Divisors: 1 3 11 33 59 101 177 303 649 1111 1947 3333 5959 17877 65549 196647 564983 1694949 6214813 18644439 33333997 57063283 100001991 171189849 366673967 627696113 1100021901 1883088339 3366733697 10100201091 37034070667 111102212001