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102011211101111 = 1368311489042809
BaseRepresentation
bin10111001100011101010110…
…000000000011001110110111
3111101012011202200211022202212
4113030131112000003032313
5101332322430020213421
61000543145312324035
730326031623344304
oct2714352600031667
9441164680738685
10102011211101111
112a55a791270184
12b53655824361b
1344bc801277a50
141b295246040ab
15bbd82bb39e5b
hex5cc7560033b7

102011211101111 has 8 divisors (see below), whose sum is σ = 110019073948560. Its totient is φ = 94026326340672.

The previous prime is 102011211101089. The next prime is 102011211101131. The reversal of 102011211101111 is 111101112110201.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-102011211101111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102011211101131) 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, 5744512526 + ... + 5744530283.

It is an arithmetic number, because the mean of its divisors is an integer number (13752384243570).

Almost surely, 2102011211101111 is an apocalyptic number.

102011211101111 is a deficient number, since it is larger than the sum of its proper divisors (8007862847449).

102011211101111 is a wasteful number, since it uses less digits than its factorization.

102011211101111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11489043505.

The product of its (nonzero) digits is 4, while the sum is 14.

Adding to 102011211101111 its reverse (111101112110201), we get a palindrome (213112323211312).

The spelling of 102011211101111 in words is "one hundred two trillion, eleven billion, two hundred eleven million, one hundred one thousand, one hundred eleven".

Divisors: 1 13 683 8879 11489042809 149357556517 7847016238547 102011211101111